A、fire mask
B、breathing apparatus
C、life-jacket
D、fire drill
更多“There is a smell of gas in the hold. You must wear your （）(氧气面罩).”相关的问题
A、There are several types of hatch covers on board ship. B、There are several types of hatches on board ship. C、There is one type of hatches on board ship. D、There is one type of hatch covers on board ship.
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、intoxicated B、the vessel is overloaded C、there is a change of home port D、there is a change of Master
A、intoxicated B、the vessel is overloaded C、there is a change of home port D、there is a change of Master
A、There is danger of heavy cargo sweat if outside air is introduced by ventilation B、Danger of the ship sweat exists.Constant and vigorous ventilation is required C、There is little danger of ship's sweat;slight possibility of cargo sweat D、The possibility of any ship or cargo sweat is remote
A、You must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tank B、You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat C、There is danger of heavy cargo sweat if you ventilate D、There is little danger of any sweat problem
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