單項(xiàng)選擇題

Bilges may be pumped （）.

A.on the outgoing tide
B.overboard after dark
C.overboard through an oily water separator
D.anytime in an emergency, i-emain engine lube oil failure

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單項(xiàng)選擇題

Waste oil from the lube oil sumps of machinery may NOT be （）.

A.drained into the vessels bilges
B.reclaimed for other uses
C.held in a slop tank
D.purified and then reused

單項(xiàng)選擇題

Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.

A.when the remaining charge volume is less than 90 percent of the required VOLUME
B.at each inspection for certification
C.at each annual inspection
D.when the weight loss exceeds 10% of weight of charge