單項(xiàng)選擇題The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?()

A.Any one component can be eliminated to extinguish a fire
B.Any two components must be eliminated to properly extinguish a fire
C.Any three components must be eliminated to properly extinguish a fire
D.Ali four components must be eliminated to extinguish any fire


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1.單項(xiàng)選擇題A fire can be extinguished by removing ().

A.the heat
B.the fuel
C.the oxygen
D.any of the above

2.單項(xiàng)選擇題If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST ().

A.secure the ventilation
B.find a soda acid extinguisher
C.shut off the fuel oil supply
D.secure the generator

4.單項(xiàng)選擇題When you hear three short blasts on the ships whistle and the same signal on the general alarm bells, you ().

A.are required to go to your life-raft
B.are dismissed from drills
C.should point to the man overboard
D.should start the fire pump

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