單項(xiàng)選擇題A life raft which has inflated bottom-up on the water().

A.should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards
B.should be righted by standing on the life line, holding the righting straps, and leaning backwards
C.will right itself when the canopy tubes inflate
D.must be cleared of the buoyant equipment before it will right itself


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D.a recognized classification socitey approved

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B.taking a strain on both ends
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3.單項(xiàng)選擇題A preson who sees someone fall overboard should().

A.call for help and keep the individual in sight
B.run to the radio room to send an emergency message
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D.go to the bridge for the

4.單項(xiàng)選擇題A portable dry chemical fire extinguisher discharges by().

A.gravity when the extinguisher is turned upside down
B.pressure from a small CO2 cartridge on the extinguisher
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D.pressure from the reaction when water is mixed with the chemical

5.單項(xiàng)選擇題A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().

A.generators
B.oil drums
C.the bridge
D.combustible metals