單項選擇題

The primary method by which water spray puts out fires is by（）.

A.removing the oxygen
B.cooling the fire below the ignition temperature
C.removing combustible material
D.diluting combustible vapors

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單項選擇題

The primary function(s) of an automatic sprinkler system is(are) to（）.

A.extinguish the fire which triggers it
B.limit the spread of fire and control the amount of heat produced
C.protect people in the areas which have sprinkler heads
D.alert the crew to the fire

單項選擇題

The preferred type of pollution control for oil spills on the water is(are) （）.

A.straw
B.booms
C.skimmers
D.chemical dispersants