Question 1: Which dangerous condition should be kept in mind after using a 15-pound CO2 fire extinguisher on a small oil fire on the engine room floor plates?
Question 2: Which of the listed classes of fire is considered as one involving electrical equipment?
Question 3: Which of the following would be considered a Class “B” fire?
Question 4: If ignited, which material would be a class B fire?
Question 5: Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?
Question 6: Which extinguishing agent is most effective on a mattress fire?
Question 7: The extinguishing agent most effective for combating wood fires is:
Question 8: You are fighting a fire in a watertight compartment using hoses and river water. Stability may be reduced because of:
Question 9: When used to fight fire, carbon dioxide:
Question 10: Carbon dioxide as a firefighting agent has which advantage over other agents?
Question 11: To prevent the spread of fire by convection you should:
Question 12: What is NOT a characteristic of carbon dioxide fire-extinguishing agents?
Question 13: Foam extinguishes a fire by:
Question 14: Immediately after a class “B” fire has been extinguished by the use of foam, crewmen should:
Question 15: The most likely location for a liquid cargo fire to occur on a tanker would be:
Question 16: You should be most concerned about a possible explosion or fire in fuel tanks:
Question 17: You have carbon tetrachloride as part of the cargo. If a fire breaks out in the general area, what is the major danger from the carbon tetrachloride?
Question 18: Radiation can cause a fire to spread by:
Question 19: To prevent the spread of fire by conduction, you should:
Question 20: You notice smoke coming from an open laundry room doorway. After activating the fire alarm, which of the following would you do FIRST?
Question 21: You are on watch at night in port and discover a fire in #1 hatch. Which action should you take FIRST?
Question 22: The spreading of fire as a result of heat being carried through a vessel’s ventilation system is an example of heat transfer by:
Question 23: Which of the following is NOT identified on the vessel’s fire control plan?
Question 24: The high velocity fog tip used with the all-purpose firefighting nozzle should always be:
Question 25: The most common and widely used cooling agent used for fighting fires on merchant vessels is:
Question 26: The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing:
Question 27: The primary function(s) of an automatic sprinkler system is(are) to:
Question 28: If a portable carbon dioxide fire extinguisher has been partially discharged, it should be immediately:
Question 29: Which statement about firefighting foam is TRUE?
Question 30: Which of the following hazards is associated with fuel oil fires?
- Which dangerous condition should be kept in mind after using a 15-pound CO2 fire extinguisher on a small oil fire on the engine room floor plates?
a. Possible suffocation from the CO2 gas.
b. Forgetting to secure the engine room ventilation system.
c. CO2 gas being drawn into nearby engine or air compressor intakes.
d. Rekindling of the fire.
Answer: d. Rekindling of the fire.
- Which of the listed classes of fire is considered as one involving electrical equipment?
a. Class “A”
b. Class “B”
c. Class “C” •
d. Class “D”
Answer: c. Class “C” •
- Which of the following would be considered a Class “B” fire?
a. Electrical fire in a motor
b. Waste rag fire in the engine room
c. Oil fire in the engine room bilges •
d. Fire in the main switchboard
Answer: c. Oil fire in the engine room bilges •
- If ignited, which material would be a class B fire?
a. Magnesium
b. Paper
c. Wood
d. Diesel Oil •
Answer: d. Diesel Oil •
- Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?
a. Dry chemical
b. Foam
c. Water
d. Carbon dioxide
Answer: c. Water
- Which extinguishing agent is most effective on a mattress fire?
a. CO2
b. Foam
c. Dry Chemical
d. Water •
Answer: d. Water •
- The extinguishing agent most effective for combating wood fires is:
a. Water •
b. Carbon dioxide
c. Foam
d. Dry chemical
Answer: a. Water •
- You are fighting a fire in a watertight compartment using hoses and river water. Stability may be reduced because of:
a. Progressive down flooding
b. Reduction of water in the storage tanks
c. Increase in free surface which reduces the metacentric height •
d. Reduction of KG to the minimum allowable
Answer: c. Increase in free surface which reduces the metacentric height •
- When used to fight fire, carbon dioxide:
a. Is effective if used promptly on an oil fire •
b. Has a greater cooling effect than water
c. Is lighter than air
d. Is harmless to cargo and crew
Answer: a. Is effective if used promptly on an oil fire •
- Carbon dioxide as a firefighting agent has which advantage over other agents?
a. It causes minimal damage.
b. It is safer for personnel.
c. It is cheaper.
d. It is most effective on a per unit basis.
Answer: a. It causes minimal damage.
- To prevent the spread of fire by convection you should:
a. Cool the bulkhead around the fire
b. Remove combustibles from direct exposure
c. Close all openings to the area
d. Shut off all electrical power
Answer: c. Close all openings to the area
- What is NOT a characteristic of carbon dioxide fire-extinguishing agents?
a. Effective even if ventilation is not shut down •
b. Will not deteriorate in storage
c. Non-corrosive
d. Effective on electrical equipment
Answer: a. Effective even if ventilation is not shut down •
- Foam extinguishes a fire by:
a. Destroying the burning materials
b. Chemical reaction with the burning material
c. Absorbing the burning material
d. Smothering the burning material
Answer: d. Smothering the burning material
- Immediately after a class “B” fire has been extinguished by the use of foam, crewmen should:
a. Carefully apply a low velocity fog over the foam blanket
b. Wade through the foam blanket to evenly distribute the foam
c. Be careful not to disturb the foam blanket
d. Sweep the foam blanket overboard and secure firefighting equipment
Answer: c. Be careful not to disturb the foam blanket
- The most likely location for a liquid cargo fire to occur on a tanker would be:
a. In the midships house
b. At the main deck manifold
c. At the vent header
d. In the pump room •
Answer: d. In the pump room •
- You should be most concerned about a possible explosion or fire in fuel tanks:
a. During fueling when the fuel first strikes the tank bottom •
b. During fueling when the fuel strikes fuel already in the tank
c. When underway as the fuel is moved by wave action
d. Shortly after fueling when fuel vapors gather
Answer: a. During fueling when the fuel first strikes the tank bottom •
- You have carbon tetrachloride as part of the cargo. If a fire breaks out in the general area, what is the major danger from the carbon tetrachloride?
a. It will explode if exposed to a flame.
b. Phosgene gas may be formed if it comes in contact with hot metal.
c. It will burn rapidly once ignited.
d. You cannot use water to fight the fire because it will react with the carbon tetrachloride.
Answer: b. Phosgene gas may be formed if it comes in contact with hot metal.
- Radiation can cause a fire to spread by:
a. Transmitting the heat of a fire through the ship’s metal
b. Burning liquids flowing into another space
c. Heated gases flowing through ventilation systems
d. The transfer of heat across an unobstructed space •
Answer: d. The transfer of heat across an unobstructed space •
- To prevent the spread of fire by conduction, you should:
a. Cool the bulkheads around the fire
b. Remove combustibles from direct exposure
c. Close all openings to the area
d. Shut off all electric power
Answer: a. Cool the bulkheads around the fire
- You notice smoke coming from an open laundry room doorway. After activating the fire alarm, which of the following would you do FIRST?
a. Attempt to determine what is burning.
b. Acquire the nearest self-contained breathing apparatus.
c. Break out the nearest fire hose.
d. Wait for the fire team to arrive and assist as directed.
Answer: a. Attempt to determine what is burning.
- You are on watch at night in port and discover a fire in #1 hatch. Which action should you take FIRST?
a. Advise the Chief Mate and Master.
b. Release carbon dioxide into the hatch.
c. Sound the general alarm.
d. Lead a fire hose to the hatch.
Answer: c. Sound the general alarm.
- The spreading of fire as a result of heat being carried through a vessel’s ventilation system is an example of heat transfer by:
a. Conduction
b. Convection •
c. Radiation
Answer: b. Convection •
- Which of the following is NOT identified on the vessel’s fire control plan?
a. Gas detector
b. Fire control plan
c. Fire and emergency signals *
d. Dry chemical monitor
Answer: c. Fire and emergency signals *
- The high velocity fog tip used with the all-purpose firefighting nozzle should always be:
a. Stowed separately in a clip or rack at each fire station
b. Attached to the all-purpose nozzle by a chain •
c. Coated with heavy grease to prevent corrosion
d. Painted red to be identified as emergency equipment
Answer: b. Attached to the all-purpose nozzle by a chain •
- The most common and widely used cooling agent used for fighting fires on merchant vessels is:
a. Carbon dioxide
b. Flue gas
c. Water
d. Steam smothering
Answer: c. Water
- The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing:
a. 45° upward
b. Vertically upward
c. Vertically downward •
Answer: c. Vertically downward •
- The primary function(s) of an automatic sprinkler system is(are) to:
a. Extinguish the fire which triggers it
b. Limit the spread of fire and control the amount of heat produced •
c. Protect people in the areas which have sprinkler heads
d. Alert the crew to the fire
Answer: b. Limit the spread of fire and control the amount of heat produced •
- If a portable carbon dioxide fire extinguisher has been partially discharged, it should be immediately:
a. Tagged and restowed properly in its rack
b. Weighed and the charge loss recorded before being returned to its rack
c. Given to the chief engineer for recharging
d. Tagged ‘empty’ and stowed separately from charged extinguishers •
Answer: d. Tagged ‘empty’ and stowed separately from charged extinguishers •
- Which statement about firefighting foam is TRUE?
a. Foam conducts electricity.
b. To be most effective, foam should be directed at the base of the fire.
c. Foam is most effective on burning liquids which are flowing.
d. Foam can ONLY be used to extinguish class A fires.
Answer: c. Foam is most effective on burning liquids which are flowing.
