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單項(xiàng)選擇題

The permanent magnetism of a vessel may change in strength due to（）.

A.the nature of the cargo being carried
B.changes in heading
C.major structural repair
D.All of the above

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單項(xiàng)選擇題

The number of rowing oars that must be carried in a motor-propelled open lifeboat on a cargo vessel is（）.

A.determined by the Master
B.specified by the Coast Guard
C.specified by the manufacturer
D.None

單項(xiàng)選擇題

The most likely location for a liquid cargo fire to occur on a tanker would be（）.

A.in the pumproom
B.at the vent header
C.at the main deck manifold
D.the midships house

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