單項(xiàng)選擇題The spread of fire is prevented by（）.

A.cooling surfaces adjacent to the fire
B.leaving combustibles in the endangered area
C.increasing the oxygen supply
D.All of the above


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1.單項(xiàng)選擇題The spread of fire is NOT prevented by（）.

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

2.單項(xiàng)選擇題The remote control for a fixed fire extinguishing system should be（）.

A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked

3.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

4.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

5.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