CAPTAIN'S LICENSE ALL FIRE QUESTIONS

Question 1

Removing which will extinguish a fire?

A) Nitrogen
B) Carbon Dioxide
C) Sodium
D) Oxygen

Answer 1

D

Question 2

All of the following are part of the fire triangle EXCEPT:

A) Electricity
B) Oxygen
C) Fuel
D) Heat

Answer 2

A

Question 3

Fire may be spread by which means?

A) Conduction of heat to adjacent surfaces
B) Direct radiation
C) Convection
D) All of the above

Answer 3

D

Question 4

To prevent the spread of fire by conduction, you should

A) Shut of all electrical power
B) Close all openings to the area
C) Remove combustibles from direct exposure
D) Cool the bulkheads around the fire

Answer 4

D

Question 5

Convection spreads a fire by

A) The transfer of heat across an unobstructed space
B) Burning liquid flowing into another space
C) transmitting the heat of a fire through the ship’s metal
D) heated gases flowing through ventilation systems

Answer 5

D

Question 6

Ventilation systems connected to a compartment in which
a fire is burning are normally close to prevent the rapid spread of the fire by

A) Convection
B) Conduction
C) Radiation
D) Spontaneous Combustion

Answer 6

A

Question 7

The spread of fire is prevented by

A) cooling surfaces adjacent to the fire
B) leaving combustibles in the endangered area
C) increasing the oxygen supply
D) all of the above

Answer 7

A

Question 8

Fires are grouped into what categories?

A) Class A, B, C, and D
B) Type 1, 2, 3, and 4
C) combustible solids, liquids, and gases
D) flammable solids, liquids, and gases

Answer 8

A

Question 9

A fire in a pile of linen is a class

A) A
B) B
C) C
D) D

Answer 9

A

Question 10

The class of fire on which a blanketing effect is essential is class

A) A
B) B
C) C
D) D

Answer 10

B

Question 11

A galley grease fire would be classified as which class of fire?

A) A
B) B
C) C
D) D

Answer 11

B

Question 12

What is the primary hazard, other than fire damage, associated with a Class C fire?

A) possibility of reflash
B) electrocution or shock
C) explosion
D) flashover

Answer 12

B

Question 13

A fire started by spontaneous combustion can be expected in which conditions?

A) paints, varnish, or other liquid flammables are stowed in a dry stores locker
B) inert cargoes such as pig iron are loaded in a wet condition
C) Oily rags are stowed in a metal pail
D) clean mattresses are stored in contact with an electric light bulb

Answer 13

C

Question 14

Spontaneous combustion is caused by

A) an outside heat source heating a substance until it ignites
B) conduction of heat through a wall of material to the substance
C) chemical action within a substance
D) All of the above

Answer 14

C

Question 15

Which extinguishing agent will absorb the most heat?

A) CO2
B) Foam
C) Water
D) Dry Chemical

Answer 15

C

Question 16

The most effective cooling agent among those normally used to fight fires is

A) water fog or spray
B) chemical foam
C) mechanical foam
D) carbon dioxide

Answer 16

A

Question 17

What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire?

A) it has a smothering effect on the fire
B) it requires less water to remove the same amount of heat
C) it gives more protection to the fire fighting personnel
D) all of the above

Answer 17

D

Question 18

Foam extinguishes a fire mainly by

A) cooling
B) chemical action
C) smothering
D) inserting the air

Answer 18

C

Question 19

How does foam extinguish an oil fire?

A) by cooling the oil below the ignition temperature
B) by removing the fuel source from the fire
C) by excluding the oxygen from the fire
D) by increasing the weight of the oil

Answer 19

C

Question 20

One of the limitations of foam as an extinguishing agent is that foam

A) cannot be made with salt water
B) is heavier than oil and sinks below its surface
C) is corrosive and a hazard to fire fighters
D) conducts electricity

Answer 20

D

Question 21

What is the most vulnerable part of the fire main system?

A) the fire pump
B) exposed hard piping
C) the hydrant valve
D) the fire hose

Answer 21

D

Question 22

The size of fire hydrant hose connections on a cargo vessel must be either 1- 1/2 inches or

A) 1 inch
B) 2-1/2 inches
C) 3 inches
D) 3-1/2 inches

Answer 22

B

Question 23

A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the

A) fire hose might be damaged by cargo operations
B) vessel is in port
C) fire-main system is not charged
D) fire pumps are used for purposes other than supplying water to the fire main

Answer 23

A

Question 24

Fire hose couplings

A) are made of bronze, brass, or soft alloy metals
B) should be painted red in order to identify hose lengths
C) are specially hardened to prevent crushing
D) should be greased frequently

Answer 24

A

Question 25

The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to A) shield fire fighters from radiant heat B) break up the burning material C) get the most water possible on the fire D) drive smoke and heat ahead of the fire fighters

Answer 25

B

Question 26

Which statement is true concerning carbon dioxide? A) it is heavier than wire B) it is non-conductive C) it is used on Class B and C fires D) all of the above are true

Answer 26

D

Question 27

Before using a fixed CO2 system to fight an engine room fire, you must A) secure the engine room ventilation B) secure the machinery in the engine room C) evacuate all engine room personnel D) all of the above

Answer 27

D

Question 28

The disadvantage of using CO2 is that the A) CO2 does not cool the fire B) cylinders are regulated pressure vessels C) CO2 is not effective on Class B fires D) CO2 is not effective on Class C fires

Answer 28

A

Question 29

Fixed CO2 systems would not be used on crew's quarter's or A) the paint locker B) spaces open to the atmosphere C) cargo holds D) the engine room

Answer 29

B

Question 30

All portable fire extinguishers must be capable of being A) carried by hand to a fire B) carried or rolled to a fire C) recharged in the field D) used on Class B fires

Answer 30

A

Question 31

What is the most important characteristic of the extinguishing agent in fighting a Class C fire? A) weight B) temperature C) electrical non-conductivity D) cost

Answer 31

C

Question 32

Dry chemical extinguishers may be used on what class of fires? A) A only B) B only C) B and C only D) A, B, or C as marked on the extinguisher

Answer 32

D

Question 33

Which action is routinely performed at the annual servicing and inspection of a dry chemical cartridge-operated portable fire extinguisher? A) test the pressure gauge for correct reading B) weigh the cartridge C) replace the dry chemical D) pressure test the discharge hose

Answer 33

B

Question 34

Which extinguishing agent is most likely to allow reflash as a result of not cooling the fuel below its ignition temperature? A) CO2 B) water stream C) water spray D) foam

Answer 34

A

Question 35

How do you operate a portable CO2 fire extinguisher? A) point the horn down B) turn cylinder upside-down C) break the rupture disc D) pull pin, squeeze grip

Answer 35

D

Question 36

You can determine that a CO2 fire extinguisher is fully charged by A) looking at the gauge B) checking the nameplate data C) weighing by hand D) weighing on a properly calibrated scale

Answer 36

D

Question 37

What should be your FIRST action if you discover a fire aboard ship? A) sound the alarm B) attempt to put out the fire C) confine it by closing doors, ports, vents, etc. D) call the Master

Answer 37

A

Question 38

When attempting to enter a compartment containing a fire, which method of applying water is best? A) high-velocity fog stream directed toward the overhead B) straight stream directed into the center of the fire C) sweeping the compartment with a fog stream D) solid stream directed toward the overhead

Answer 38

C

Question 39

A fuel line breaks, sprays fuel on the hot manifold, and catches fire. Your FIRST action should be A) batten down the engine room B) start the fire pump C) apply carbon dioxide to the fire D) shut off the fuel supply

Answer 39

D

Question 40

When fighting an oil or gasoline fire in the bilge, which of the following should NOT be used? A) Foam B) solid-stream water nozzle C) all-purpose nozzle D) carbon dioxide

Answer 40

B