A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam
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A.all the spaces of a vessel
B.all cargo spaces
C.the engine room and largest cargo space
D.the space requiring the largest amount
A.size of the fire when initially observed
B.complete containment of the fire
C.cooling ability of the firefighting agent
D.class of the fire
A.shield fire fighters from radiant heat
B.break up burning material
C.get the most water possible on the fire
D.drive heat and smoke ahead of the fire fighters
A.cool the craft in a fire
B.cool the engine
C.spray oil on the sea to calm it
D.spray personnel during a fire
A.cooling surfaces adjacent to the fire
B.leaving combustibles in the endangered area
C.increasing the oxygen supply
D.All of the above
最新試題
What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）
There is a fire in the crew’s quarters of your vessel. You should（）.
What does blowing tubes accomplish?（）
What is the most vulnerable part of the fire main system on board an offshore rig?（）
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
The success of an indirect attack on a fire depends on the（）.
Water fog from an all-purpose nozzle may be used to（）.
What is an advantage of using foam in fire fighting?（）