单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

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