單項(xiàng)選擇題The record of tests and inspection of fire fighting equipment on board a ship must include（）.

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


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題The preferred agent used in fighting a helicopter crash fire is（）.

A.CO2
B.dry chemical
C.water
D.foam

5.單項(xiàng)選擇題The outlet at a fire hydrant may be positioned anywhere from horizontal to pointing（）.

A.45°upward
B.vertically upward
C.vertically downward
D.all of the above