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
What is meant by the term overhaul in firefighting?（）
What is the MOST important consideration when determining how to fight an electrical fire?（）
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
Water fog from an all-purpose nozzle may be used to（）.
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）
What is an advantage of using foam in fire fighting?（）
The spread of fire is prevented by（）.