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  • Symbol (59) is associated with which equipment?
  • Which mechanism involves heat transfer through solid materials?
  • With a 100 psi water pressure and an inline proportioner, how long will a 5-gallon can of liquid foam last?
  • Which safety action is recommended before entering a tank that has been sealed for a long time?
  • You used a CO₂ fire extinguisher but did not empty the extinguisher. You must have it recharged if the weight loss exceeds________.
  • Which symbol indicates a Class C extinguishing agent or device?
  • Which mechanism directly transfers radiant heat from flames to nearby objects without heating the air significantly?
  • Which symbol indicates Portable Fire Extinguishers outside of Engine Room?
  • Foam extinguishes a fire mainly by which?
  • Which action is essential when attaching a hose to a hydrant to prevent leaks?
  • In this view of the vessel's fire control plan, which emergency equipment is located in the scullery?
  • Which setting on the all-purpose nozzle produces a fog with the spray?
  • Which symbol represents the best means to extinguish a LARGE Class Bravo fire?
  • Which Fire Control Plan symbol is used to indicate a heat detector on the diagram?
  • In firefighting hydraulics, what does 'head' refer to?
  • The approved symbol (67) for fire control plans designates a ________.
  • A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be ________.
  • What emergency equipment is located at frame 107 in the main machinery space?
  • Which statement is NOT true about foam based on the provided material?
  • On a class B fire, which portable fire extinguisher would be the LEAST desirable?
  • The oxygen content targeted by the inert gas system is what percentage by volume?
  • Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?
  • Foam extinguishes a fire by which action?
  • In the Auxiliary Machinery Flat, which fixed extinguishing agent is best?
  • Foam-type portable extinguishers are most useful in combating fires involving which of the following?
  • Which symbol is designated for Remote Controlled Fuel / Lubricating Oil Valves?
  • Which symbol number is Fire Alarm Push Button?
  • Which function is the purpose of a gas scrubber in an inert gas generation system?
  • A class B fire is most successfully fought by ________.
  • Why are automatic fire dampers installed in ventilation systems?
  • When the mainline valve of a self-contained breathing apparatus is open, the bypass valve should be ________.
  • Which symbol represents the water fog applicator?
  • In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ________.
  • Which statement is true regarding fighting Class B fires with a dry chemical extinguisher?
  • Inert gas system pressure is measured in which unit?
  • Which symbol marks the location of a spare set of fire control plans onboard?
  • After detecting an odor of burning cotton fabric and smoke from an open laundry doorway, after activating the fire alarm, which action is NOT recommended?
  • A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be________.
  • Symbol 39 on the fire control plan designates which type of space?
  • The most likely location for a liquid fire to occur on a tanker would be ________.
  • On the vessel's Fire Control Plan, all parts of a fixed fire suppression system are listed EXCEPT?
  • In a cargo hold fire, which action is most important concerning the stability of the vessel?
  • Gas-free certificates generally indicate that the space is free of flammable vapors at the time of testing. This statement is:
  • Which condition is necessary for a substance to burn?
  • Which option best describes the arrow between frames 135 and 140?
  • What is NOT a characteristic of carbon dioxide fire-extinguishing agents?
  • The Master ordered remote ventilation shut down; where is it located?
  • Symbol (52) corresponds to which item?
  • Which statement about firefighting foam is TRUE?
  • When electrical equipment is involved in a fire, the stream of dry chemicals should be ________.
  • Which symbol indicates Sprinkler Installation?
  • When joining the female coupling of the fire hose to the male outlet of the hydrant, you should make sure that the
  • You are underway when a fire breaks out in the forward part of your vessel. If possible, you should ________.
  • Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces, such as in a pumproom, provided that the ________.
  • Which of the following statements is FALSE, concerning the regulations pertaining to the cylinder room of a fixed CO₂ fire extinguishing system?
  • Which symbol corresponds to Fire Damper (Helps Control Fire Spread)?
  • With a fire in the forward part of the vessel and headwind, which maneuver should you use to place the wind on the beam and increase speed?
  • Which action would you take to initiate external assistance after a shipboard fire alarm is raised?
  • Which symbol number is Bell Fire Alarm?
  • The spread of fire is prevented by which combination of measures?
  • What could result in an incorrect oxygen concentration reading on the oxygen indicator?
  • Which portable extinguisher is NOT designed for use on flammable liquid fires?
  • A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should ________.
  • Which device is used to actuate an automatic fire damper in response to heat?
  • An aluminum powder fire is classified as class ________.
  • If ignited, which material would be a class B fire?
  • The spray of water produced by using the high-velocity fog position on an all-purpose nozzle will have ________.
  • Which of the following actions is NOT part of routine maintenance for cartridge-operated extinguishers?
  • Which Fire Control Plan symbol represents an international shore connection?
  • Which characteristic best describes the general response time of a combustible gas indicator after sampling?
  • Which condition would be of immediate concern after discovering a large fire in the ship's galley?
  • What combination of readings should be checked prior to entry into a space that has been sealed for a long time?
  • When approaching a fire from leeward, you should shield firefighters from the fire by using which pattern?
  • Which nozzle-handling practice is recommended to prevent kickback?
  • The component in an inert gas system used for cleaning the gas of solid and sulfur combustion products, while simultaneously cooling the inert gas, is called the scrubber. Which question best describes this component?
  • A crew member is trapped in the Steward's Office during abandon ship; where is the nearest fire axe located?
  • A Halon 1301 cylinder contains 100 pounds of liquid at 360 psi. It must be recharged when the weight drops below how many pounds of liquid?
  • When compared to a high-expansion foam, a low-expansion foam will ________.
  • After using a CO₂ portable extinguisher, it should be ________.
  • Which item is the drenching system protected space?
  • Halon from extinguishers used on a class B fire should be directed ________.
  • Where on your vessel shall the recharge for each self-contained breathing apparatus be carried?
  • A fixed carbon dioxide extinguishing system for a machinery space, designed WITHOUT a stop valve in the line leading to the protected space, is actuated by ________.
  • Which organization typically issues a gas-free certificate?
  • Which symbol denotes Fire Station (Does NOT contain Fire Protection Equipment)?
  • If a fire’s oxygen supply is cut off, what is the likely outcome?
  • To prevent the spread of fire by conduction you should ________.
  • When used to fight fire, carbon dioxide ________.
  • To maximize safety when fighting an engine compartment fire with CO₂, which containment action is recommended?
  • A combination or all-purpose nozzle produces ________.
  • Which symbol denotes Foam Nozzle?
  • To extinguish a damaged deck container fire while minimizing water damage to cargo, the recommended action is to ________.
  • The symbols for fire control plans are approved by which organization?
  • Which statement about ambient oxygen content is true?
  • In a fixed CO₂ fire extinguishing system where pressure from pilot cylinders is used to release the CO₂ from the main bank of cylinders, the number of required pilot cylinders shall be at least ________.
  • The primary function(s) of an automatic sprinkler system is(are) to ________.
  • Combustible gas indicators operate by drawing an air sample into the instrument ________.
  • Convection spreads a fire by ________.
  • How do you operate a portable CO₂ fire extinguisher?
  • Your tankship has 40 gallons of 6% foam concentrate aboard. Approximately how much foam solution can be produced from this supply?
  • After using a Halon extinguisher, it should be ________.
  • Are fusible links replaced after a damper is activated?
  • A locker with additional protective clothing is located at which numbered location?
  • While reading the muster list you see that "3 short blasts on the whistle and 3 short rings on the general alarm bells" is the signal for ________.
  • Lifesaving regulations require a fire drill to include which of the following elements?
  • Which statement best describes convection as it relates to fire spread aboard ships?
  • Advantage of water fog or water spray over a straight stream of water in fighting an oil fire
  • To lubricate the swivel or remove corrosion from a fire hose coupling, you should use
  • Fusible-link fire dampers are operated by ________.
  • One of the limitations of foam as an extinguishing agent is that foam ________?
  • To prevent the spread of fire by convection you should ________.
  • Symbol (56) corresponds to which item?
  • In what location would a duplicate fire control plan normally NOT be located?
  • While tending the lifeline of a man who entered a compartment using a breathing apparatus, how many tugs indicate the man should advance?
  • Before inserting a low-velocity fog applicator into an all-purpose nozzle, you must
  • Fuel oil tank vents are fitted with a screen which will stop ________.
  • The most effective initial action for a forward fire with head wind is to put the vessel’s stern into the wind.
  • Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO₂ fixed fire extinguishing system?
  • Symbol 64 refers to which installation?
  • After extinguishing a paint locker fire using the fixed CO₂ system, the next action is to have the space ________.
  • Water fog can reach areas not protected by steam or CO₂ smothering systems.
  • Before using a fixed CO2 system to fight an engine room fire, you must ________.
  • During a forward fire, if possible you should ________.
  • A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ________.
  • The galley range hood extinguishing system is designed to suppress fires in which location?
  • For a forepeak fire with wind from ahead, what maneuver places the stern into the wind?
  • If hydrocarbon content exceeds the U.E.L., the needle of a combustible gas indicator will what?
  • The flammable limits of gasoline are 1.3 to 7.6 percent volume of air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample registered 0.55 on the instrument's dial. What is the concentration of flammable gas?
  • If signaling to a person inside a tank, how many tugs indicate 'Advance'?
  • Ventilation systems connected to a burning compartment are normally closed to prevent rapid fire spread by which mechanism?
  • Blow back risk condition
  • Oil fires are best extinguished by ________.
  • The safety outlet on the CO2 discharge piping is intended to prevent over pressurization of which component?
  • Which Fire Control Plan symbol represents a heat detector?
  • Which component is designed to automatically close a ventilation damper when exposed to heat?
  • If weight loss is 5% or more, what action is required?
  • Which symbol indicates Emergency Fire Pump - Use if Fire Pump Fails?
  • Deficient oxygen content inside a confined space can be detected with ________.
  • You are on watch at night in port and discover a fire in #1 hatch. Which action should you take FIRST?
  • When fighting a space containing an IMO class 1 hazardous cargo, the most effective firefighting procedure is to ________.
  • Which number on the Fire Control Plan indicates the direction of the primary means of escape?
  • An oil fire is classified as class ________.
  • Which mechanism is primarily associated with energy transfer via electromagnetic waves?
  • Which symbol represents Sprinkler (basic sprinkler system)?
  • What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion?
  • A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases?
  • Which extinguisher would be least desirable on a Class B fire?
  • In a fixed CO₂ extinguishing system where provision is made for the release of CO₂ by operation of a remote control, provision shall also be made for releasing the CO₂ ________.
  • The 12-foot low-velocity fog applicator ________.
  • Symbol (58) denotes which of the following?
  • The all-purpose nozzle will produce a fog spray when you ________.
  • When fighting a fire in an enclosed space, why should the hose team crouch as low as possible?
  • Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks?
  • Automatic fire dampers in ventilation systems are operated by use of a heat or smoke detector.
  • Portable-foam extinguishers are designed for use on which classes of fires?
  • Why is turning the vessel to place the stern to the wind beneficial when a fire is forward?
  • Except in rare cases, it is impossible to extinguish a shipboard fire by ________.
  • Which symbol stands for Foam Installation?
  • Which symbol(s) represent part of the vessel's ventilation system?
  • You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample caused the needle to move rapidly to 100 on the dial then fall to zero. What is the concentration of flammable gas?
  • When fighting a fire with a portable dry chemical extinguisher, the stream should be directed ________.
  • To prevent the spread of fire by conduction you should ________.
  • Which symbol corresponds to Foam Installation?
  • Fires in combustible metals, such as sodium or magnesium, are classified as class ________.
  • Which danger exists to people when CO₂ is discharged into a small enclosed space?
  • CO₂ extinguishing is used on which classes of fires?
  • In a nighttime hatch fire, which action is explicitly recommended to ensure safety before attempting to extinguish?
  • When compared to low-expansion foam, a high-expansion foam will ________.
  • The most effective cooling agent among those normally used to fight fires is ________.
  • Which symbol is associated with Portable Foam App (Class B Fires)?
  • In unmanned machinery spaces, what arrangement is required for releasing CO₂ from a fixed system?
  • Flames from small leaks of LFG may be extinguished by which method?
  • Which symbol is used to indicate a push-button fire alarm on the Fire Control Plan?
  • In extinguishing fires, which element must be removed to stop combustion?
  • During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?
  • Which mechanism is NOT a primary action of Halon in extinguishing fires?
  • To safely enter a compartment where CO2 has been released from a fixed extinguishing system, you should ________.
  • Which statement about pilot cylinders in a fixed CO₂ system is correct?
  • Which type of portable extinguishers is NOT designed for use on flammable liquid fires?
  • Which extinguishing agent is most effective at removing heat?
  • Which Fire Control Plan symbol represents an emergency fire pump?
  • Low-velocity fog is produced by
  • On a hydrocarbon flammability chart, the line extending from 0% to 21.8% oxygen, tangent to the flammability range, is called the which line?
  • Which statement describes the fusible link's function?
  • Which device would not be appropriate to measure oxygen content in a confined space?
  • Blocking open or removing fire dampers can cause ________.
  • Which of the following best describes the concept of a buddy system in confined-space entry?
  • When applying foam to a liquid fire, where should you direct the foam for best effect?
  • The symbol for D039SA symbol (40) is which description?
  • Which extinguisher is appropriate for electrical fires in engine rooms or switchboards?
  • A Halon 1301 cylinder contains 100 pounds of liquid at 360 psi. If the weight falls to 95 pounds, what action is required?
  • Compared to the amount of concentrated foam liquid used, the amount of low expansion mechanical foam produced is ________.
  • You are tending the lifeline of a man who entered a compartment using a breathing apparatus. How many tugs on the lifeline indicate the man should back out?
  • When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to ________.
  • Which symbol is designated for a Gas Detector Monitored Space?
  • On a vessel's fire control plan, symbol 30 refers to which facility?
  • Which Fire Control Plan symbol signifies equipment you would use if your fire pump(s) failed?
  • To remedy a leaking fire hose connection at the hydrant, secure the valve and
  • Symbol (57) is used to indicate which safety equipment?
  • Which statement about carbon dioxide as a fire suppressant is true?
  • In lifeline signaling, how many tugs mean 'Are you all right' for a person entering a compartment wearing a breathing apparatus?
  • Before entering the chain locker, you should ________.
  • Which system is designed to extinguish galley hood grease fires?
  • Which statement is true about burning liquids?
  • You will extinguish a fire when you remove ________.
  • Which symbol corresponds to Powder Monitor-Gun?
  • Which statement describes why ABC dry chemical is considered multipurpose?
  • Among the foam-system related symbols, which number marks a space that is foam-protected?
  • Which method is used to supply inert gas from a flue gas system to the cargo tanks?
  • How does foam extinguish an oil fire?
  • Blocking or bypassing fire dampers can affect the effectiveness of which fixed firefighting system?
  • Which statement best describes the benefit of using a portable inline foam proportioner in mechanical foam production?
  • The extinguishing agent most effective for combating wood fires is ________.
  • A cargo tank that is initially gas freed can be inerted by a process known as which of the following?
  • The discharge from a carbon dioxide fire extinguisher should be directed ________.
  • What is the purpose of a fire control plan aboard passenger ships?
  • How many spaces are protected by a fixed CO₂ extinguishing system?
  • One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that ________.
  • Which action would you take first to respond to a galley fire and protect the space around it?
  • Spontaneous ignition can result from ________.
  • Which organization certifies marine chemists who issue gas-free certificates?
  • Which action is the correct first step to discharge a CO₂ portable extinguisher?
  • On the vessel's fire control plan, which symbol represents a fire damper?
  • A combustible gas indicator will NOT operate correctly when the ________.
  • Fixed CO₂ systems would not be used on crew's quarters or ________.
  • The danger associated with using carbon dioxide in an enclosed space is ________.
  • Which action best complements cooling bulkheads to prevent conduction during a forward fire?
  • Which item corresponds to the Water Monitor/Gun Used For Class A Fires?
  • On the vessel's fire control plan, which symbol helps to control the spread of fire?
  • A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind ________.
  • Symbol 51 in this diagram is found throughout the ship. What fire control equipment does symbol 51 represent?
  • Best method to enter compartment containing a fire
  • Combustible gas indicators measure the presence of combustible gas as a percentage of the ________.
  • Using an oxygen indicator, how long should you wait after drawing a sample into the instrument before reading the meter?
  • Heavy smoke is observed from the paint locker. Which action should be taken first?
  • Which of the following best describes the role of ventilation in convection-based fire spread?
  • Halon gas will decompose and may form very hazardous toxic fumes when discharged ________.
  • A galley grease fire would be classified as which class of fire?
  • In the sequence of actions, which step is typically performed after sounding the alarm for a hatch fire at night?
  • Which wheeled extinguisher is intended for Class C fires?
  • Which symbol designates a fire damper on the fire control plan?
  • Which statement about the operation of a combustible gas indicator is true?
  • Coast Guard Regulations permit which system to be used for fire prevention and simultaneous inerting of cargo tanks on tank vessels?
  • Which symbol is Fire Alarm Panel?
  • A Halon 1301 cylinder is periodically tested for weight loss and pressure loss. What minimum percentage of the full pressure can be lost before the cylinder must be recharged?
  • When using a Halon extinguisher on a Class C fire, direct the extinguishant at the
  • In a standard fire hose, which end carries the male coupling?
  • Which device is used for pumping bilge water in an emergency?
  • If a fire is breaking out on the stern of the vessel, which wind direction would be least favorable?
  • Three tugs on the lifeline indicate which action?
  • You are instructed that no one shall enter a tank if the vapor concentration is over 15% of the LEL. If the flammable limits are 1% to 7% by volume, what is the maximum allowable vapor percentage for entry?
  • What would be the most effective agent to extinguish a fire in drums of flammable liquids stowed on the weather deck of a vessel?
  • A carbon dioxide fire extinguisher should be recharged ________.
  • Fixed CO₂ suppression systems are generally not used in which space aboard ships?
  • Which symbol number represents Fire Control Plans?
  • The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to ________
  • What is the BEST conductor of electricity?
  • Which organization is responsible for reviewing and approving a vessel's Fire Control Plan?
  • If you flood with sea water to fight a fire, how much sea water increases weight displacement by one ton?
  • Removing which component will extinguish a fire?
  • Approximately how far could a straight stream reach if the fire hose pressure is reduced to 60 PSI?
  • To prevent the spread of fire by conduction you should ________.
  • When the alarm bell sounds on a positive-pressure, self-contained breathing apparatus, how long will reserve air supply last?
  • A flame screen ________.
  • A gas-free test is valid for how long?
  • A class C fire would be burning ________.
  • The fire control plan symbol 56 represents which equipment?
  • Which statement is TRUE concerning carbon dioxide?
  • Which symbol(s) should be used to indicate equipment for Class B fires?
  • In a fire in the engine room, what should be your first act?
  • Which direction is NOT recommended when directing the discharge for a Class B fire with a portable dry chemical extinguisher?
  • The hoods over galley ranges present what major hazard?
  • Which statement best describes the relationship of heat, fuel, and oxygen in combustion?
  • Spontaneous combustion is most likely to occur in ________.
  • Fixed carbon dioxide extinguishing systems, for machinery spaces that are normally manned, are actuated by one control to open the stop valve in the line leading to the space, and ________.
  • When you are on watch at sea at night and there is a fire in number five upper 'tween deck, which action should NOT be done immediately?
  • In an enclosed space fire suppression using CO₂, what is the primary safety action?
  • Which statement is TRUE concerning combustible gas indicators?
  • A Halon 1301 cylinder is periodically tested for weight loss and pressure loss. It must be recharged if it has lost more than what minimum percentage of its weight?
  • You hear the general alarm and ship's whistle sound for over 10 seconds. Traditionally, this is the signal for ________.
  • Which symbol indicates Foam Protected Space for Class B Fires?
  • Which action should be taken when a cargo transfer is ongoing and a hazard is detected to prevent fire spread?
  • On the Fire Control Plan, which item lists the locations of extinguishing agent cylinders?
  • A portable foam extinguisher would be most useful for extinguishing a fire in which of the following?
  • What signal corresponds to four tugs on the lifeline?
  • Which advantage does dry chemical have over carbon dioxide (CO₂) in firefighting?
  • Which item denotes a drenching installation?
  • Which method would contribute to preventing the spread by reducing available fuel?
  • What is a key benefit of water fog on smoke management?
  • Which statement about SCBA endurance is true?
  • If a powdered aluminum fire is being fought, the correct extinguishing agent would be ________.
  • The most likely location for a liquid cargo fire to occur on a tanker would be ________.
  • While testing a cargo tank, your oxygen indicator reads 25% oxygen in the tank. You would then ________.
  • What is the danger of leaving a charged hose unattended on deck with the nozzle open?
  • Which statement about a fifteen-pound CO₂ extinguisher is true?
  • A vessel's fire control plan shall ________?
  • Which method is correct for applying foam to a fire on a deck?
  • When flammable liquids are handled in a compartment on a vessel, the ventilation for that area should be ________.
  • Which type of plan is used to outline the vessel's fire fighting arrangement within the fire control plan?
  • Where should back-up hosemen be stationed during deployment?
  • When you discover a fire aboard your vessel, what should you do first?
  • What is the primary purpose of a fusible link?
  • Which extinguishing agent is best for use on a magnesium fire?
  • Which material would indicate a Class D fire?
  • Which statement is FALSE regarding Halon as a fire extinguishing agent?
  • Which of the following is NOT identified on the vessel's fire control plan?
  • In a fixed CO₂ extinguishing system for a machinery space, designed WITH a stop valve in the line leading to the protected space, the flow of CO₂ is established by actuating ________.
  • Which of the following statements about foam extinguishers is true?
  • When the remote push button located in the wheelhouse is actuated, what is the result?
  • In the production of chemical foam by a continuous-type generator, which statement is true?
  • Which statement concerning carbon dioxide is FALSE?
  • The primary method by which water spray puts out fires is by ________.
  • Which statement about the primary function of an automatic sprinkler system is incorrect?
  • If a CO₂ extinguisher is partially discharged, what is the proper action?
  • In the lower engine room plan, what does the arrow between frames 135 and 140 represent?
  • Which exposure scenario could lead to an incorrect oxygen concentration reading on the oxygen indicator?
  • If CO2 from a fixed extinguishing system has been released, entry should be made with which equipment?
  • In the Crew Mess, what does the solid arrow represent?
  • Which combination of fire classes is extinguishable by a stored-pressure foam extinguisher?
  • Which statement is FALSE regarding Halon 1301?
  • Dry chemical extinguishers extinguish class B fires to the greatest extent by ________.
  • Blocking open or removing fire dampers can cause ________.
  • The most effective way to apply a foam stream if the fire is on deck or is a running fire, is to direct the stream ________.
  • Each inert gas system must be designed to supply gas with an oxygen content by volume of:
  • Carbon dioxide as a fire fighting agent has which advantage over other agents?
  • Which statement is true regarding reach when comparing dry chemical to CO₂ extinguishers?
  • For a Class A fire, which of the following is the primary extinguishing approach?
  • A combustible gas indicator will operate correctly ONLY when the ________.
  • The deck seal's primary purpose is to prevent which of the following?
  • Except in rare cases, it is impossible to extinguish a shipboard fire by ________.
  • What is an advantage of a dry chemical extinguisher as compared to a carbon dioxide extinguisher?
  • Which item is the Service Diesel?
  • Which Fire Control Plan symbol is not part of the ship's foam system?
  • Which symbol number is Space Protected by CO2?
  • After extinguishing a fire with CO₂, it is advisable to ________?
  • Which action is most effective to prevent convection-based spread in compartments?
  • What is the exact location of the fire pump(s) as indicated on the plan?
  • Which is the proper method of determining whether a portable CO₂ fire extinguisher needs recharging?
  • In the ship's fire protection plan, what does the notation CO₂ and Halon protected spaces indicate?
  • For a Class D fire, which extinguisher category is specifically recommended?
  • Symbol (51) is associated with which shipboard system component?
  • Which statement is true regarding cylinder room requirements for fixed CO₂ systems?
  • Which statement about the residue left by dry chemical extinguishers is true?
  • Foam is a very effective smothering agent and ________?
  • Which symbol number designates space protected by CO2?
  • Which statement best describes the role of fire dampers?
  • A foam-type portable extinguisher is most useful in fighting a fire in which location?
  • Where on the ship's fire control plan would you find a complete recharge for a self-contained breathing apparatus?
  • Which statement accurately describes water fog's effect on an oil fire?
  • When pilot cylinders are used to release CO2 from a fixed system consisting of four storage cylinders, the number of pilot cylinders required at minimum is how many?
  • Which statement about a fifteen-pound CO₂ extinguisher is true?
  • Which symbol represents a push button for a fire alarm on the Fire Control Plan?
  • Which symbol represents Foam Gun on the Large Deck for Class B Fires - Non-Portable Extinguisher?
  • Inerting a cargo tank lowers the oxygen content by volume to what level?
  • Which when removed, will result in the extinguishment of a fire?
  • Which of the following is least likely to cause ignition of fuel vapors?
  • What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
  • To obtain low-velocity fog with an applicator attached, which combination is true?
  • Which statement best describes the general alarm?
  • The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO₂ required to protect that space is not more than ________.
  • The symbol for D039SA symbol (41) is which description?
  • Which symbol is not part of the ship's foam system?
  • Convection spreads a fire by ________.
  • To prevent the spread of fire by convection, you should:
  • An advantage of an ABC dry chemical over a carbon dioxide extinguisher is ________.
  • You are fighting a fire in the electrical switchboard in the engine room. You should secure the power, then ________.
  • Which statement best describes nozzle handling to manage kickback?
  • Which fire extinguishing agent has the greatest capacity for absorbing heat?
  • Which symbol number is Manually Operated Call Point?
  • Which of the following statements is true regarding carbon dioxide hazards in confined spaces?
  • Halon extinguishing systems may pose a hazard if discharged directly on flames because they can:
  • To operate a portable CO₂ extinguisher continuously in the discharge mode ________.
  • Which symbol indicates Halon Alarm (Not Found Outside of ER)?
  • The absence of fire dampers in a building's ventilation can cause what?
  • A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should ________.
  • An oxygen indicator can be used to determine if there is ________.
  • Portable foam type fire extinguishers are most effective on which type of fires?
  • A fire in trash and paper waste is classified as Class ________.
  • On the ship's plan, where is a locker with additional protective clothing located?
  • The location of a spare set of fire control plans on board the vessel is designated by what approved symbol?
  • Which Fire Control Plan symbol represents a fire main with fire valves?
  • Which statement is true when comparing low-expansion to high-expansion regarding heat resistance?
  • Which symbol identifies CO2/Nitrogen Bulk Installation?
  • A locker with additional breathing apparatuses is located at which numbered location?
  • Which item is the Emergency Bilge Pump?
  • Which language pair is explicitly used for translation beyond the flag state's language?
  • Which percentage value triggers recharge for a CO₂ extinguisher due to weight loss?
  • Which item is identified as the Drenching System Section Valve?
  • On cargo and miscellaneous vessels what is NOT a required part of the fireman's outfit?
  • Which item is NOT required to be part of a vessel's Fire Control Plan?
  • Which action is most effective for maintaining vessel stability when fighting a fire in a cargo hold?
  • In a machinery space fire, which statement about water as an extinguishing agent is correct?
  • In a fire in a machinery space, which statement about the fixed CO2 system is correct?
  • What is the main purpose of inert gas in preventing explosions in cargo tanks?
  • A fire starts in a switchboard due to a short circuit. This is which class of fire?
  • On international voyages, tank ships of 500 gross tons or more must have facilities to connect for this fire control equipment on each side of the ship.
  • If the primary means of escape is blocked, which symbol designates the secondary means of escape?
  • A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your FIRST action should be to:
  • Which term best describes the process of reducing oxygen content to below 8% by introducing inert gas into a cargo tank?
  • Which symbol denotes Emergency Switchboard?
  • The most effective foam stream direction for a deck fire is to direct the foam ________.
  • Why should foam be banked off a bulkhead when extinguishing an oil fire?
  • Which statement best describes radiant heat and its role in fire spread?
  • Which statement is true about Class A fires?
  • Fire control symbol (37) for fire control plans designates a ________.
  • The extinguishing agent most likely to allow reignition of a fire is ________.
  • Which extinguishing agent is used to displace oxygen in enclosed ship spaces during firefighting?
  • In spaces containing LPG bottles, which action is recommended during a fire?
  • What does symbol (50) indicate on the IMO Fire Control Symbols?
  • The mechanism by which fire dampers block fire spread is by restricting which mode of heat transfer?
  • What mechanism do fire dampers primarily use to stop the spread of fire?
  • Which statement about entry into a water ballast tank that has been sealed for a long time is TRUE?
  • Paints and solvents on a vessel should be ________.
  • When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to ________.
  • Which symbol corresponds to Halon 1301 Room Main Battery of Bottles?
  • When compared to low-expansion foam, a high-expansion foam will ________.
  • What is the minimum number of people required to safely handle a 1-1/2 inch fire hose?
  • What is the best instrument for establishing a safe working area before welding in a confined space?
  • An oil fire is classified as class ________.
  • Which of the following statements about convection in a compartment fire is true?
  • Which statement is TRUE about fire fighting foam?
  • What governs the activation of CO₂ discharge heads in a fixed system equipped with pressure actuated discharge heads?
  • What action should be taken if a combustible gas indicator shows a concentration at or above the lower explosive limit?
  • Which symbol stands for Foam Protected Space for Class B Fires?
  • Which symbol is used for Portable Foam Application (Class B Fires)?
  • Which statement is TRUE concerning a combustible gas indicator?
  • The gross weight of a fully charged CO2 cylinder is 80 lbs. When the bottle is empty it weighs 60 lbs. What is the minimum acceptable gross weight of the CO2 bottle before it should be recharged by the manufacturer?
  • Which symbol represents Halon Alarm (Not Found Outside of ER)?
  • Which symbol number is Fire Alarm Horn (Not Part Of Foam System)?
  • What is the primary effect of inert gas in preventing explosions in cargo tanks?
  • A combustible gas indicator meter is calibrated to read the percentage of ________.
  • Halon extinguishes fire primarily by ________.
  • Which device description best describes a fusible link in a fire damper system?
  • If you are in a tank wearing the self-contained breathing apparatus and you desire to return topside, how many tugs mean 'Take up slack'?
  • The amount of Halon remaining in an extinguisher is determined by ________.
  • Which of the following emergency equipment is located in the scullery?
  • Which statement is true about carbon dioxide's visibility and scent?
  • If there's a fire aboard your vessel, you should FIRST ________.
  • Which extinguisher absorbs the most heat?
  • Each ship having an inert gas system must have a portable instrument to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure ________.
  • What should be your FIRST action if you discover a fire aboard ship?
  • All of the following are part of the fire triangle EXCEPT ________.
  • Which pair correctly lists two disadvantages of CO2 as a firefighting agent?
  • Which symbol indicates Secondary Means of Escape?
  • Which firefighting method is an example of an indirect attack on a fire?
  • Halon fire extinguishers are NOT effective when used on which types of fires?
  • Which characteristic is an advantage of Halon as a fire extinguishing medium?
  • What is the MOST important consideration when determining how to fight an electrical fire?
  • If a fire is in the bow of a moving vessel with the wind ahead, what action should you take?
  • An engine compartment gasoline fire requires which type of extinguisher?
  • During a fire involving LPG bottles, which action best reduces risk to the bottles?
  • Which end of the fire hose has the female coupling?
  • All of the following are part of the fire triangle EXCEPT ________.
  • Symbol (53) indicates which of the following?
  • Which statement is true about vertical-surface cling when comparing low-expansion foam to high-expansion foam?
  • For a dry chemical extinguisher, the recommended aim is at the base of the fire.
  • A large oil fire on the deck of a ship can be fought most effectively with which agent?
  • Automatic fire dampers in ventilation systems are operated by use of fusible links.
  • Which symbol denotes Inert Gas Installation?
  • A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind ________.
  • When approaching a fire from windward, which fog pattern should be used to shield firefighters?
  • What action is most important to stability when fighting a fire below the main deck?
  • The function of the bypass valve on the self-contained breathing apparatus is to ________.
  • When a galley fire involving class A materials is suspected, what is the recommended approach to the galley door to minimize spread?
  • During annual servicing of a cartridge-operated dry chemical extinguisher, what purpose does weighing the cartridge serve?
  • There is a fire aft aboard your vessel. Which action helps fight the fire?
  • Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?
  • Which types of portable fire extinguishers are designed for putting out electrical fires?
  • Which symbol corresponds to Heat Detector (Found in Galley)?
  • A spanner is a ________.
  • Paints and solvents on a vessel should be ________.
  • Which characteristic of Halon is a storage-related disadvantage?
  • Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon ________.
  • You are underway when a fire breaks out in the forward part of your vessel. If possible, you should ________.
  • The symbol for which facility is Protective Clothing Locker?
  • The purpose of the deck seal in an inert gas system is to prevent ________.
  • Which symbol denotes Halon 1301 Protected Space?
  • Which extinguishing agent is most appropriate for class C fires on vessels?
  • Traditionally, the signal for fire aboard ship is ________.
  • Which agents are suitable for electrical fires?
  • After using a dry chemical extinguisher, what must be done?
  • Fusible-link fire dampers are operated by ________.
  • What is meant by the term "overhaul" in firefighting?
  • At night while the ship is tied up to the dock, a fire breaks out in a cargo hatch. After sounding the alarm, what should the person on watch do?
  • All of the following are part of the fire triangle EXCEPT ________.
  • Under normal firefighting conditions, approximately how far could a straight stream of water reach when the hose pressure is 100 PSI?
  • Which statement about applying dry chemical powder is FALSE?
  • Accumulations of oily rags should be ________.
  • In combating a large galley fire involving class A material, you should:
  • Which Fire Control Plan symbol would most likely be used to denote equipment in the ship's galley?
  • A fire starts on your vessel while refueling. You should FIRST ________.
  • Which symbol is associated with the most effective tool for extinguishing a large Class Bravo fire?
  • Which extinguishing agent will absorb the most heat?
  • Which of the following actions is recommended when applying foam to an oil fire?
  • Which symbol indicates Halon 1301 Protected Space?
  • In a fixed CO2 system with four storage cylinders, how many pilot cylinders are required at minimum?
  • What is the correct approach to applying foam on a running fire on deck?
  • In a forepeak fire with wind from ahead, which maneuver puts the stern into the wind?
  • Main advantage of steady stream of water on a class 'A' fire is that it ________
  • Which valve is designed to be used to manually provide air to the wearer in case of regulator malfunction?
  • Where on the ship's fire control plan would you find the complete set of spare batteries for a fireman's outfit?
  • Which statement best describes the posting requirement for the Fire Control Plan on a vessel?
  • A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should ________.
  • What is the function of the bypass valve on the self-contained breathing apparatus?
  • What can be used to measure the percentage of oxygen inside a confined space?
  • To maximize CO₂ extinguishing effectiveness in an engine compartment, what condition should be maintained?
  • Which Fire Control Plan symbol represents the best means to extinguish a Class Alpha fire?
  • How many spaces are protected by a fixed CO₂ extinguishing system?
  • In order to discharge a CO₂ portable fire extinguisher, the operator must FIRST________.
  • Which class is designated for fires involving magnesium and other reactive metals?
  • Which statement describes the primary process by which fires are extinguished by dry chemical?
  • What is used to test a tank for oxygen content?
  • You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you are advancing?
  • The lifeline that is part of a fireman's outfit must be ________.
  • Which action helps prevent the spread of fire by removing combustibles from the endangered area?
  • Spontaneous combustion is caused by ________.
  • Which action most directly reduces heat transfer through structural members during a forward fire?
  • Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?
  • When fighting a large fire on your vessel and attacking it from ABOVE the space on fire, it is important to ________.
  • Which option should NOT be used when fighting an oil or gasoline fire in the bilge?
  • The oxygen indicator is an instrument that measures the ________.
  • Which description corresponds to the Bilge Pump?
  • If oxygen content tests at less than 12%, what action should be taken?
  • The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity of CO₂ required to protect that space is not more than ________.
  • Which symbol corresponds to Foam Section Valve?
  • CO₂ cylinders equipped with pressure actuated discharge heads will discharge automatically when ________.
  • When calculating concentration from an LEL reading, you multiply the LEL percentage by which value?
  • After each reading of an oxygen indicator, the instrument should be purged with ________.
  • The principal personnel hazard unique to Halon extinguishers is ________.
  • After allowing for pressure losses, the pressure-volume capacity of an inert gas blower must maintain a minimum pressure in any cargo tank of at least:
  • What can be used to measure the percentage of oxygen inside a chain locker?
  • When discharging a portable CO₂ fire extinguisher, you should NOT hold the horn because the horn ________.
  • Which symbol corresponds to Halon 1301 Bottles in Protected Area?
  • What is the preferred extinguishing agent for a helicopter crash fire?
  • For a bow fire with headwind, what action turns the stern into the wind?
  • Which number on the vessel's fire control plan denotes a fire main with fire valves?
  • During inspection of Halon extinguishers, what is checked?
  • To signal that the individual should come out immediately, how many tugs are used?
  • What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?
  • To limit convection-driven spread of a compartment fire, what is the most practical control action?
  • If the atmosphere contains vapors of leaded gasoline, what modification is necessary when using a combustible gas indicator?
  • While wearing a breathing apparatus inside a tank, how many tugs on the lifeline indicate that you are all right?
  • Low-expansion foam is typically lighter than high-expansion foam. Which statement best reflects this comparison?
  • If the dial reads 0.55 and the gasoline LEL is 1.3%, the approximate gas concentration is closest to which value?
  • Which symbol corresponds to Halon Release Station (Outside of ER)?
  • Heavy smoke is observed emanating from the paint locker. What is the first firefighting response?
  • Which symbol number corresponds to CO2 Horn?
  • Oily rags stored in a pile that is open to the atmosphere are a hazard because they may ________.
  • After detecting an odor of burning electrical insulation and smoke from an open laundry doorway, the LEAST likely next action is to:
  • Before welding in a tank that has carried petroleum products, the tank must be certified by which entity?
  • The fixed fire suppression details on the Fire Control Plan include all of the following EXCEPT?
  • An advantage of a dry chemical over a carbon dioxide fire extinguisher is its ________.
  • Which number on the Fire Control Plan indicates the location of the emergency generator?
  • What, when removed, will result in the extinguishment of a fire?
  • Which statement describes how radiation spreads a fire?
  • When the bypass valve of a self-contained breathing device is opened, the air flows ________.
  • Which types of portable fire extinguishers are designed for use on electrical fires?
  • The flammable limits of gasoline are 1.3 to 7.6 percent volume of air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample registered 55 on the instrument's dial. What is the concentration of gases?
  • There is a fire aboard your vessel. What action should you take to help fight the fire?
  • What is the approximate oxygen content of ambient air?
  • Why is carbon dioxide (CO₂) better than dry chemical for fighting a class C fire?
  • A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be ________.
  • Which statement is true about fusible links in ventilation dampers?
  • When must a dry chemical fire extinguisher be recharged?
  • Which Fire Control Plan symbol corresponds to the fire alarm panel?
  • In electrical fires, the recommended technique for applying dry chemical extinguishers is:
  • Fixed carbon dioxide systems require audible alarms to begin sounding prior to discharge. The minimum delay is at least how many seconds?
  • What is the most vulnerable part of the fire main system?
  • During loading and discharging operations, in addition to when the cargo tanks have been properly filled, each inert gas system must be capable of maintaining a minimum gas pressure of:
  • Which liquid is the best conductor of electricity among common liquids?
  • Symbol (59) indicates which equipment?
  • Which handle position will shut off water?
  • Maintaining minimum gas pressure in cargo tanks during loading primarily prevents what hazard?
  • The Fire Control Plan must contain detailed information on which of the following systems?
  • On fire control plans, the dry chemical releasing station is designated by which symbol?
  • Most important reasons for using water fog
  • When the handle of an all-purpose nozzle is in the forward position, the nozzle will ________.
  • When using carbon dioxide to fight a fire on a bulkhead, the CO₂ should be applied ________.
  • Which symbol is designated for Remote Control Skylight?
  • Which condition would cause the automatic shutdown valve at the gas main outlet to operate?
  • When compared to a high-expansion foam, a low-expansion foam will ________.
  • The canvas covering of fire hose is called the
  • When the bypass valve is opened, what should be done to the mainline valve?
  • Except in rare cases, it is impossible to extinguish a shipboard fire by ________.
  • Which item is the drenching system section valve?
  • On the all-purpose nozzle, the position of the valve when the handle is all the way forward is ________.
  • On the ship's plan, where is a locker with additional breathing apparatuses located?
  • The BEST method of applying foam to a fire is to ________.
  • What is the best initial action after you notice smoke and activate the fire alarm in the laundry room?
  • Which extinguishing agent is most likely to allow reflash as a result of not cooling the fuel below its ignition temperature?
  • When water pressure of 100 psi is used in conjunction with an inline proportioner for the production of the mechanical foam, a 5-gallon can of liquid foam will last ________.
  • Which symbol represents a NON-portable extinguisher?
  • What is the primary hazard when using portable CO₂ extinguishers to inert spaces containing flammable liquids?
  • Foam applied to an oil fire forms what on the surface?
  • Which symbol designates the emergency generator on the fire control plan?
  • High-expansion foam yields the greatest foam volume per gallon of concentrate. Which range indicates the expected foam yield per gallon of concentrate?
  • A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind ________.
  • A fire hose should not be connected to a hydrant when exposed to which condition?
  • Besides the limited quantity, what is the other disadvantage of CO2 as a firefighting agent?
  • What is the primary function of a fusible link in fire dampers?
  • One gallon of high expansion foam solution will produce ________.
  • Halon extinguishers used on a class C fire should be directed at the ________.
  • Introducing inert gas into a tank already inert with the object of further reducing the oxygen or hydrocarbon content to prevent combustion if air enters is called?
  • Which statement about entering into a tank which has been sealed for a long time is TRUE?
  • An important step in fighting any electrical fire is to ________.
  • If a damper is installed in ventilation, in which location is it typically installed?
  • The combined fan discharge rate in an inert gas system is related to the ________.
  • The 12-foot low-velocity fog applicator connects to the nozzle by which feature?
  • A low pressure alarm must be set to cause an audible and visual alarm if the pressure in the tanks cannot be maintained at more than ________.
  • Fire may be spread by which means?
  • You can determine that a CO₂ extinguisher is fully charged by________.
  • Which statement about fusible links in ventilation dampers is true?
  • Which device is used to manually override a damper's position via a break-glass mechanism?
  • Which instrument is used to determine whether the atmosphere is safe to enter in terms of oxygen content?
  • On a MODU, in which location must the Fire Control Plan be posted?
  • Which extinguisher leaves a residue after use?
  • What is the post-use action for a Halon extinguisher?
  • Which extinguishing agent is most effective on a mattress fire?
  • Which symbol corresponds to Primary Means of Escape?
  • Which statement is NOT true about the starboard passageway between frames 122-139?
  • Which symbol corresponds to Sprinkler Horn?
  • Which symbol simply represents Sprinkler?
  • Some spaces protected by fixed carbon dioxide systems are required to have audible alarms that begin sounding prior to the discharge of CO₂. This time delay must be at least ________.
  • Which statement is TRUE concerning the oxygen indicator?
  • What does the term "head" mean when applied to a fire pump?
  • All-purpose nozzle water fog use
  • Which symbol represents Smoke Detector?
  • Which Fire Control Plan symbol represents an international shore connection?
  • A deck-stowed 40-foot container is emitting smoke, and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire with minimal damage if possible. What action should you take?
  • Which fire control plan symbol(s) represents the agent or device best suited for extinguishing a class 'B' fire?
  • When the handle is in the vertical position and without an applicator, the all-purpose nozzle will ________.
  • Ambient air, which you normally breathe, contains what percent of oxygen?
  • The flammable limits of gasoline are 1.3 to 7.6 percent by volume. Testing a tank containing gasoline with a combustible gas indicator, the needle moves rapidly to 100 on the dial and stays there. What is the concentration of the flammable gas?
  • Which symbol number corresponds to Space Protected by CO2?
  • Which symbol number corresponds to Bell Fire Alarm?
  • Which fire control plan symbol represents the agent or device best suited for extinguishing a class 'A' fire?
  • During a large space fire attack from above, which of the following is recommended?
  • Which symbol number represents Fire Control Plans?
  • What is the effect of foam that makes it effective for oil fire suppression?
  • Fusible-link fire dampers are operated by ________.
  • The symbol for D039SA symbol (44) is which description?
  • Which statement about cooling bulkheads is true?
  • Which statement is TRUE concerning the use of a dry chemical extinguisher?
  • Fires of which class would most likely occur in the engine room of a vessel?
  • Which substance might be subject to spontaneous combustion?
  • Which symbol is Flame Detector?
  • Which symbol is used for Fire Main with Fire Valve?
  • Which symbol corresponds to Sprinkler Section Valve?
  • In standard lifeline signaling, which of the following indicates Take up slack?
  • Which symbol would typically denote a component that is part of the vessel's ventilation system?
  • Which symbol corresponds to Powder Installation?
  • Which of the following actions is least appropriate when a large galley fire is discovered?
  • Automatic dampers in ventilation systems are operated by use of remotely operated valves.
  • Which practice best reduces ignition risk when handling paints on a vessel?
  • The most likely location for a liquid cargo fire to occur on a tanker would be ________.
  • Why is LPG gas-freeing rarely required for LPG cargo tanks?
  • Which of the following statements is FALSE concerning the proper procedure in handling a fire hose?
  • Which Fire Control Plan symbol represents a space protected by foam?
  • Which signal is traditionally used to signal fire aboard ship?
  • In an engine with a broken fuel line fire, what is the critical initial step?
  • As compared to carbon dioxide, dry chemical has which advantage?
  • Which class is associated with energized electrical equipment?
  • Burning wood is which class of fire?
  • Radiation spreads a fire by transferring heat across an unobstructed space.
  • General arrangement plans are used to present which aspects of a vessel's layout including fire control information?
  • The high-velocity fog tip used with the all-purpose fire fighting nozzle should always be ________.
  • In addition to the official language of the flag state, the Fire Control Plan must also be translated into English or ________.
  • Which condition is NOT necessary for a combustible liquid to burn?
  • A fire in the galley ALWAYS poses the additional threat of ________.
  • When two fire hose teams are attacking a fire, which practice should be avoided?
  • Dry chemical extinguishers used on oil fires may cause which phenomenon?
  • Which symbol indicates Protective Clothing Locker?
  • One advantage of the 'all-purpose nozzle' is that it ________.
  • In what location MUST a duplicate fire control plan be located?
  • When the bypass valve of a self-contained breathing apparatus is opened, the mainline valve should be ________.
  • Fixed CO2 and fire main systems: In the event of an electrical fire in the engine room, what is the correct procedure for fighting the fire?
  • Which Fire Control Plan symbol represents the bilge pump?
  • Which type of portable fire extinguisher is best suited for putting out a Class D fire?
  • Which action most effectively minimizes rapid fire spread through ventilation in a burning compartment?
  • Which symbol corresponds to CO2 Bottle Room (Battery)?
  • On the vessel's Fire Control Plan, all parts of the fire main are listed EXCEPT?
  • Which symbol indicates the Emergency Switchboard?
  • Which description best matches the primary use of foam extinguishers?
  • The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to ________.
  • On fire control plans, the Halon room with the main battery of halon 1301 bottles is designated by which symbol?
  • A galley grease fire on the stove may be extinguished using ________.
  • What determines the Halon remaining in the extinguisher?
  • In spontaneous ignition, which factor is a known contributor?
  • A Halon 1301 cylinder contains 100 pounds of liquid at 360 psi. It must be recharged when the pressure drops below how many psi?
  • Fires are grouped into what categories?
  • A 'fifteen-pound' CO₂ extinguisher is so called because ________.
  • Which Fire Control Plan symbol does NOT contain personal protective equipment?
  • Ventilation is required when performing which type of attack?
  • Which Fire Control Plan symbol represents an emergency generator?
  • A plan that must contain data on fixed fire suppression, ship construction, and ventilation is the?
  • When forced ventilation to a compartment with a fire is secured, what is the primary objective?
  • While you are working in a space, the fixed CO2 system is accidentally activated. You should ________.
  • What symbol identifies the primary means of escape when evacuating crewmembers from a space filling with smoke?
  • Which symbol is used to indicate a Fire Damper that helps control fire spread?
  • The symbol for a fire station on a vessel's plan is which number?
  • The primary danger in helicopter fires is:
  • After activating the fire alarm for a laundry room fire, which action would be done FIRST to manage the risk to surrounding spaces?
  • In normal operation, air flows from the bottle to the facepiece through which component?
  • If the refrigeration system for a low-pressure CO2 fixed fire extinguishing system remains inoperable, what is the major consequence?
  • What is the maximum oxygen content below which flaming combustion will no longer occur?
  • The best method of extinguishing a class A fire is to
  • Which item is NOT listed as a required part of the fireman's outfit on cargo and miscellaneous vessels?
  • Which fire control plan symbol represents the agent or device best suited for extinguishing a class 'C' fire?
  • Which statement is TRUE concerning the application of foam on an oil fire?
  • Which equipment is represented by symbol (54)?
  • What is the minimum number of people required to safely handle a 2-1/2 inch fire hose?
  • Gas-freeing or inerting is intended to reduce oxygen content to below 8% by volume. True or false?
  • When approaching a fire from leeward, which action best shields firefighters from the fire?
  • Control of fire should be addressed
  • What is the primary purpose of the oxygen indicator in cargo tanks and confined spaces?
  • Automatic fire dampers in ventilation systems are operated by use of CO2 system pressure switches.
  • To access the nearest fire axe when a crew member is trapped, which location is correct?
  • Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?
  • Which symbol denotes CO2/Nitrogen Bulk Installation?
  • A fire in the radio transmitter would be of what class?
  • Which symbol would you consult to identify equipment to use if your fire pump(s) failed?
  • In a system where a fusible link controls the damper, which condition most reliably triggers closure?
  • Which type of portable fire extinguishers is NOT designed for use on flammable liquid fires?
  • A fifteen-pound CO₂ extinguisher ________.
  • Which action is explicitly listed as a first step when you discover a fire aboard during refueling?
  • If a firefighting situation calls for low-velocity fog you would ________.
  • In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ________.
  • Foam forms a vapor barrier over flammable liquids to prevent vapor release. Which statement is true?
  • Which fire-fighting agent is most effective at removing heat?
  • The primary objective of an indirect attack is to achieve what outcome?
  • Which symbol is Part of Vessel's Ventilation System?
  • Where is the Emergency Phone Station located?
  • Which action helps prevent the spread of fire by shutting off the oxygen supply?
  • In a compartment where flammable liquids are handled, how should ventilation be operated?
  • Which fire control plan symbol represents a dry chemical delivery method for small scale fires?
  • What is a key mechanism by which high-velocity fog extinguishes fire?
  • Which condition would make reliable readings unlikely?
  • Fire alarm thermostats are actuated by ________.
  • Which statement correctly describes the components of the fire triangle?
  • When should a fire be ventilated?
  • A fire in a pile of canvas is classified as Class ________.
  • Which statement about attaching nozzles or additional lengths of hose is not correct?
  • If the indicator shows a reading near zero, what does that imply about the gas concentration relative to the LEL?
  • A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind ________.
  • A double male coupling is defined as
  • On fire control plans, the CO₂ bottle room is designated by which symbol?
  • There is a fire aft aboard your vessel. Which action should you take to help fight the fire?
  • Which storeroom location is of immediate concern during a galley fire, due to proximity to heat sources?
  • Which fire control plan symbol will NOT be found in your stateroom?
  • In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ________.
  • Which passenger vessel is required to permanently exhibit a fire control plan?
  • Which portable fire extinguisher is normally recharged in a shore facility?
  • A magnesium fire is classified as class ________.
  • What is the primary purpose of the international shore connection on ships?
  • A portable dry chemical fire extinguisher discharges by ________.
  • In addition to weighing the cartridge, which other maintenance is required for a cartridge-operated dry chemical extinguisher?
  • A vessel's fire control plan shall be ________?
  • Which of the following indicates the maximum CO₂ quantity allowed for cylinders inside the protected space?
  • The fire control plan symbol that designates a space or compartment protected by halon 1301 is ________.
  • To get low-velocity fog from an all-purpose nozzle, you would ________.
  • A fire hose has a
  • Releasing carbon dioxide into an engine compartment to extinguish a fire is most effective when the compartment is:
  • What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
  • There is a fire in the crew's quarters of the vessel. What is the recommended action?
  • When approaching a fire from windward, which fog pattern is recommended to shield firefighters?
  • A fire of escaping liquefied flammable gas is best extinguished by:
  • In a ventilation system with fire dampers restrained by fusible links, which statement is true?
  • You are underway at sea when a fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should ________.
  • Where are remote readouts for oxygen concentration, pressure, and temperature of an inert gas system required to be located?
  • On the second deck, primary means of escape from the area between frames 92 and 105?
  • What is the purpose of ventilation before entry into a sealed space?
  • Which symbol number designates space protected by sprinkler?
  • Which of the following statements best describes hot work approval at a port facility after cargo work?
  • Dry chemical extinguishers may be used on what class of fires?
  • Blocking open or removing fire dampers can cause ________.
  • What is the primary hazard, other than fire damage, associated with a class C fire?
  • The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space, if the quantity required is not more than ________.
  • Which item is the Water Monitor/Gun Used For Class A Fires?
  • A foam-type extinguisher would be most useful in combating a fire in which?
  • When a ship's low-pressure CO₂ fixed fire extinguishing system is activated from a remote location, what determines the quantity of CO₂ being released into a selected space?
  • Which of the following is the best example of an ordinary combustible?
  • Which statement about CO₂ extinguishing systems is true?
  • Which symbol number corresponds to Fire Alarm Push Button?
  • In shipboard spaces, heat from the sun on upper ballast tanks may generate which gas?
  • Water spray's primary mechanism to extinguish fires is by cooling below ignition temperature.
  • Overhauling a fire in the living quarters on a vessel must include ________.
  • Where is the most likely location for a liquid cargo fire on a tanker?
  • The CO₂ flooding system is actuated by a sequence of steps which are ________.
  • The symbol for D039SA symbol (43) is which description?
  • To extinguish a fire involving escaping liquefied gas, what is the primary action?
  • To prevent the spread of fire by conduction you should ________.
  • Radiation spreads a fire by the transfer of heat across an unobstructed space.
  • A stored-pressure water extinguisher is most effective against fires of class ________.
  • Conduction of heat to adjacent surfaces is a mechanism by which fire may spread.
  • Foam extinguishes a fire by which mechanism?
  • High-velocity fog in a passageway primarily serves to...
  • You are operating a fire hose with an applicator attached. If you put the handle of the nozzle in the vertical position you will ________.
  • Class D fires are best fought with which type?
  • Stored-pressure water extinguisher is most effective on fires of which class?
  • As an extinguishing agent, foam ________?
  • Which two fire control plan symbols designate the directional means of escape?
  • A fire in energized electrical equipment, such as switchboard insulation, is classified as which class?
  • Which condition is a common cause of spontaneous ignition in oily rags?
  • Opening the bypass valve allows air to flow directly to the facepiece.
  • What should be used to remove corrosion from the swivel on the female coupling of a fire hose?
  • A magnesium fire is classified as class ________.
  • After putting on a self-contained breathing apparatus, you hear a continuous ringing of a bell. What does this mean?
  • Tank vessel inerting refers to which of the following?
  • What is recommended when entering a ballast tank that has been sealed for a long time?
  • The most effective fire extinguishing agent to use on burning linen is ________.
  • Which symbol corresponds to the Control Station?
  • Production of mechanical foam by a portable in-line foam proportioner ________.
  • Which item is the Emergency Phone Station located outside the engine room?
  • Convection spreads a fire by ________.
  • Portable foam extinguishers are designed for use on class ________ fires.
  • The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
  • Which action helps prevent the spread of fire by cooling surfaces adjacent to the fire?
  • In a fire involving drums of flammable liquids stowed on the weather deck of a vessel, which extinguishing agent is preferred?
  • A fire involving diesel fuel would be categorized as which class?
  • When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher, the stream should be directed at the ________.
  • When approaching a fire from leeward, which method should be used to shield firefighters?
  • Maximum effective fog pattern reach beyond the nozzle
  • Lifesaving regulations require a fire drill to include which of the following elements?
  • Which statement about entry into a space that has been sealed for a long time is TRUE?
  • Which symbol number corresponds to Automatic Fire Alarm Fire Detector Space?
  • Which statement about Halon 1301 is true?
  • When using the oxygen indicator, which reaction from the needle should you expect as a sample is drawn into the instrument?
  • If the meter needle of the oxygen indicator cannot be set to zero, what should be done?
  • What is the normal designed CO2 storage tank temperature and pressure for a ship's low-pressure fixed extinguishing system?
  • Recharging a cartridge-operated dry chemical extinguisher is accomplished by
  • Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?
  • After the alarm is sounded for a laundry room fire, which action is appropriate if conditions permit?
  • Which organization reviews and approves a vessel's fire control plan?
  • Which mechanism is Halon known to use as its primary action?
  • Which symbol corresponds to Dry Chemical for SMALL fire?
  • The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing ________.
  • CO₂ cylinders must be recharged when the weight of the charge in the cylinder is less than what percent of the stamped full weight of the charge?
  • The gross weight of a fully charged CO2 bottle is 220 lbs and the empty bottle weighs 120 lbs. What is the minimum acceptable gross weight before it should be recharged?
  • The jacket refers to which part of the fire hose?
  • Which Fire Control Plan symbol represents a fire main with fire valves?
  • Which numbered location corresponds to a complete recharge for a self-contained breathing apparatus?
  • Which of the following is true about dry chemical extinguishers?
  • Which symbol number is CO2 Release Station?
  • Which symbol represents Foam Release Station?
  • Fires which occur in energized electrical equipment, such as switchboard insulation, are class ________.
  • What is the proper method to wash a fire hose?
  • Which item is NOT required to be included on Fire Control Plans?
  • The symbol for D039SA symbol (42) is which description?
  • Radiation spreads a fire by
  • Which symbol is Emergency Generator?
  • The blowers of an inert gas generation system aboard a tanker, will be automatically secured if ________.
  • In addition to heat, fuel, and oxygen, what is required to sustain a fire?
  • Which Fire Control Plan symbol is MOST likely to be found in the ship's galley?
  • An aluminum powder fire is classified as class ________.
  • Which needle behavior indicates the oxygen indicator is functioning as samples are drawn?
  • Which symbol represents the Emergency Generator?
  • Which symbol is associated with the vessel's ventilation system?
  • Which symbol designates the CO₂ bottle room on the fire control plan?
  • Which statement about fire hose couplings is true?
  • Which symbol corresponds to Fire Station (Does NOT contain Fire Protection Equipment)?
  • Ventilation during firefighting is intended to prevent buildup of what to protect firefighters?
  • While there is a fire in the forward part of the vessel and the wind is dead ahead, what action should you take?
  • Which Fire Control Plan symbol represents the direction of the primary means of escape?
  • You notice smoke coming from an open laundry doorway and activate the fire alarm. Which action would you do FIRST?
  • Which symbol corresponds to Dry Chemical Releasing Station?
  • What is the most important characteristic of the extinguishing agent in fighting a class 'C' fire?
  • When choosing extinguishers to fight a Class B fire do NOT use ________.
  • What should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?
  • Which symbol is Foam Section Valve?
  • The term 'critical dilution line' on a hydrocarbon flammability chart refers to the line that is tangent to the flammability range at approximately what oxygen concentration?
  • Which numbered location corresponds to the spare batteries for a fireman's outfit?
  • Oil fires are controlled by
  • Which statement about the primary action of dry chemical on fires is true?
  • Any extinguishing agent used on a Class C fire must have which important property?
  • Which of the following items is NOT identified on the vessel's fire control plan?
  • The spray of water in low-velocity fog will have
  • Which pieces of equipment represented by the Fire Control Plan symbols can be found on the exterior of the vessel?
  • A fifteen-pound CO₂ extinguisher ________.
  • In relation to the upper explosive limit, a hydrocarbon concentration that is too high is described as being:
  • Which portable fire extinguisher should be used on a class C fire on board a vessel?
  • Which extinguishing agent will cool down a heated bulkhead in the least amount of time?
  • On a MODU, where must the fire control plan be posted?
  • In the bridge deck view, what is represented by the symbol on the aft bulkhead port side of the wheelhouse?
  • Which symbol corresponds to High Expansion Foam Supply?
  • CO₂ extinguishes a fire by which mechanism?
  • A signal that the general alarm and ship's whistle have sounded for more than 10 seconds indicates which situation?
  • You are underway at sea when a fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should ________.
  • There is a fire aft aboard your vessel. Which action helps fight the fire?
  • The most effective extinguishing action of dry chemical is ________.
  • The international shore connection ________.
  • What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?
  • Which combination is suitable for electrical fires?
  • You are tending the lifeline of a man who entered a tank using a breathing apparatus. How many tugs on the lifeline indicate that the man should come out immediately?
  • Which extinguisher is a 30 kg CO2 Extinguisher Class C Fire?
  • If there's a fire aboard your vessel, you should FIRST ________.
  • A safety outlet on the CO2 discharge piping serves to prevent which condition?
  • Engine room fires would most likely involve which classes?
  • The high-pressure alarm light on a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause is which condition?
  • Why should foam be banked off a bulkhead when extinguishing an oil fire?
  • Where is the fire pump located?
  • If a CO2 bottle is full 220 lbs and empty 120 lbs, which current gross weight would indicate recharge is due?
  • Which Fire Control Plan symbol represents a fire alarm panel?
  • Which statement about stowing spare hose is TRUE?
  • While wearing a breathing apparatus inside a tank, how many tugs on the lifeline indicate you need help?
  • When fighting a Class B fire with a portable dry chemical extinguisher, where should the discharge be directed?
  • Inspection of a Halon extinguisher involves checking the hose, handle, nozzle, and ________.
  • Which statement best describes obtaining low-velocity fog using an all-purpose nozzle?
  • Electrical insulation burning is associated with which class of fire?
  • Deficient oxygen content inside a chain locker can be detected with ________.
  • No outlet on a fire hydrant may point above the horizontal in order to ________.
  • The disadvantage of using CO₂ is that the ________.
  • Which symbol corresponds to a Remote Control Skylight?
  • What is the minimum oxygen content considered safe for entry into a long-sealed tank?
  • In a high-velocity fog operation in a ship passageway, this condition is required to use the technique.
  • Which statement supports the use of pilot cylinders in a fixed CO₂ system?
  • Which Fire Control Plan symbol represents a fire station?
  • You are directed to a fire in the lower engine room, portside, frame 127. Which machinery is located at that exact location?
  • If the wind is from ahead and you turn the vessel so the stern faces the wind, which statement best describes the effect on the fire?
  • Which is the most accurate instrument for measuring the amount of oxygen in the atmosphere of a confined space?
  • You are in a tank wearing the self-contained breathing apparatus and you desire to return topside. How many tugs mean to take up the slack?
  • A fire in a transformer terminal would be classified as class ________.
  • Fusible-link fire dampers are operated by ________.
  • Which action yields a solid stream from the all-purpose nozzle?
  • Which toxic gas is a product of incomplete combustion and is often present when a fire burns in a closed compartment?
  • Which class includes ordinary combustibles such as canvas and paper waste?
  • When possible, what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?
  • An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is ________.
  • On a MODU, where must the fire control plan be posted?
  • The class of fire on which a blanketing effect is essential is class ________.
  • Which statement is TRUE concerning carbon dioxide?
  • Where should extra chemicals for producing chemical foam be stored?
  • Which option is identified as the most effective cooling agent among common firefighting tools?
  • In the foam concentrate example, what percentage was used?
  • In continuous operation, the effective range of the 15 pound CO₂ extinguisher is limited to________.
  • Which Fire Control Plan symbol is NOT part of a fixed sprinkler system?
  • Which fire detection system is actuated by sensing a heat rise in a compartment?
  • Which space designation on the fire control plan does symbol 7 designate?
  • Oil fires are best extinguished by
  • Where is the nearest fire axe to break apart the furniture in the crew lounge?
  • The most effective way of applying carbon dioxide from a portable extinguisher to a fire is by ________.
  • A fire in electrical equipment should be extinguished by using ________.
  • Fire extinguishing agents used on Class C fires must be ________.
  • In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ________.
  • Besides general arrangement plans, what other medium may be utilized to provide fire control details to officers during fire and emergencies?
  • Which electrical equipment is least likely to ignite fuel vapors on a vessel?
  • What is the primary purpose of having a duplicate fire control plan stored outside the deck house?
  • Closing openings to a burning area primarily reduces spread by which mechanism?
  • Firefighting foam is only effective when the foam ________.
  • Where must a duplicate fire control plan be located to meet the stated requirement?
  • In the same ventilation system, which statement is true?
  • Audible alarms before CO₂ discharge are required for spaces in which CO₂ discharge is likely to occur and be occupied. Which statement is true about this requirement?
  • Which statement is TRUE about hot work repairs at a berthing facility after discharging dangerous cargo?
  • Normally, the percentage of oxygen in air is ________.
  • A self-contained breathing apparatus is used to ________.
  • Which item is a Wheeled 50 kg Powder Fire Extinguisher?
  • Which organization approves symbols to be used for fire control plans?
  • Stability may be reduced due to ________.
  • Except in rare cases, it is impossible to extinguish a shipboard fire by ________.
  • In the context of the fire triangle, which element is described as completing the fire when present with heat, fuel, and oxygen?
  • Where should the high-velocity fog tip be stored when not in use?
  • Which may ignite fuel vapors?
  • One gallon of low expansion foam solution will produce about ________.
  • Fire in an engine compartment is best extinguished with carbon dioxide gas (CO₂) and by which action?
  • Which method is used to verify a CO₂ extinguisher is fully charged without a gauge?
  • Foam extinguishers are most effective on oil fires.
  • The rated operating time of a self-contained breathing device may be reduced in actual use because of ________.
  • You are underway at sea. A fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should ________.
  • When the handle of an all-purpose nozzle is pulled all the way back, it will ________.
  • Fire hose couplings
  • The self-contained breathing device should not be used in which situation?
  • The spread of fire is NOT prevented by ________.
  • Which statement explains the relationship between fire control plan symbols and extinguishing methods?
  • Which space is noted as having a heat detector?
  • If the oxygen content in an inert atmosphere is reduced to 15% or less, what happens to flaming combustion?
  • When dry chemical extinguishers are used to put out class B fires, there is a danger of reflash because dry chemical ________.
  • Which of the following statements is FALSE concerning the proper procedure in handling a fire hose?
  • A fire must be ventilated ________.
  • An 'ABC' dry chemical fire extinguisher would be LEAST effective against a fire in ________.
  • Which instrument is specifically used to indicate oxygen levels in confined spaces?
  • A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be ________.
  • A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should ________.
  • Foam is effective in combating which class(es) of fire?
  • Halon extinguishes a fire by ________.
  • Which statement best describes foam's class coverage?
  • The most likely location for a liquid cargo fire to occur on a tanker would be ________.
  • Automatic fire dampers in ventilation systems are operated by use of a ________.
  • The bypass valve on a self-contained breathing device should be opened if ________.
  • The vessel's fire control plan is laid out on which type of plan?
  • Which agent is nonconductive and suitable for electrical fires?
  • Which organization internationally approves the symbols used on fire control plans?
  • Textile and paper waste belong to which fire class?
  • Automatic fire dampers in ventilation systems are operated by use of a ________.
  • When using a portable CO₂ extinguisher on a bulkhead fire, where should the stream be aimed initially?
  • Which of the following best describes the components of the fire triangle?
  • Which symbol represents equipment NOT to be found immediately outside the engine room?
  • Dry chemical fire extinguishers are effective on which type(s) of fire?
  • Which symbol denotes International Shore Connection - Tank Ship => 500T?
  • The fire control plan symbol represented by (16) is a ________.
  • A fire starting by spontaneous combustion can be expected in which condition?
  • Which set of classes is used to categorize fires in the material?
  • A gas-free certificate would usually be issued by a(n) ________.
  • Which of the following statements about cylinder room labeling is accurate?
  • A fire in a pile of dunnage would be classified as which class?
  • If a fixed CO₂ extinguishing system includes a remote release, the CO2 must also be able to be released from the cylinder location. Which option correctly reflects this requirement?
  • A definite advantage of using water as a fire extinguishing agent is its characteristic of ________.
  • If turning the stern into the wind is not feasible, which alternative maneuver might be chosen to influence the fire with head wind?
  • If there is a fire aboard your vessel, which action should be done first?
  • While underway at sea with a fire forward and wind from dead ahead at 20 knots, what action should you take to reduce fire spread?
  • Weight is considered during the periodic required inspection and servicing of ________.
  • Gas-free certificates are issued by which organization?
  • A vessel of 500 gross tons on an international voyage must permanently exhibit a fire control plan.
  • Which option demonstrates indirect attack cooling to prevent conduction between bulkheads?
  • Which symbol denotes the dry chemical releasing station on the fire control plan?
  • CO₂ extinguishing works primarily by
  • Which is a disadvantage of Halon as a fire extinguishing medium?
  • Which extinguishing agent is the best for use on electrical fires?
  • When using the combustible gas indicator, a special filter for filtering the incoming sample must be used if the atmosphere being tested contains vapors of ________.
  • What is the first action in extinguishing an LFG fire caused by escaping gas?
  • Which statement best describes the use of foam extinguishers?
  • Which emergency equipment is NOT found in the Crew Mess in this view?
  • Foam extinguishers are designed for use on which class combinations?
  • A fire in a pile of linen is classified as Class ________.
  • Which device provides the energy to move inert gas through the system into the cargo tanks?
  • Why is spare fire hose rolled for storage?
  • Which distance range is correct for the continuous operation range of a 15-lb CO₂ extinguisher?
  • Portable CO₂ extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of ________.
  • What signal indicates dismissal from fire and emergency stations?
  • The success of an indirect attack on a fire depends on which factor?
  • Which symbol number is CO2 Horn?
  • A transformer terminal fire is classified as class ________.
  • Which Fire Control Plan symbol represents a fire pump?
  • Automatic fire dampers in ventilation systems are operated by a fusible link.
  • Which symbol designates the Fire Axe?
  • A CO₂ extinguisher that has been partially discharged should be handled by which action?
  • Fire dampers prevent the spread of fire by ________.
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