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
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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
A.shutting off the oxygen supply
B.cooling surfaces adjacent to the fire
C.removing combustibles from the endangered area
D.removing smoke and toxic gases by ensuring adequate ventilation
A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked
A.the name of the person conducting the test
B.the weight of the charge
C.recommendations for the next test
D.All of the above
最新試題
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
Water fog from an all-purpose nozzle may be used to（）.
What is the MOST important consideration when determining how to fight an electrical fire?（）
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）
What is an advantage of using foam in fire fighting?（）
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）
To prevent the spread of fire by conduction you should（）.
Weight is considered during the periodic required inspection and servicing of（）.