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單項(xiàng)選擇題

The（）is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.

A.Sea trial
B.Bed-test
C.Engine performance
D.PSC inspection

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單項(xiàng)選擇題

When is dock survey carried out?（）

A.During annual repair
B.Usually during dock repair
C.Before sea trial
D.After 5 years from last annual survey

單項(xiàng)選擇題

（）, where a ship is refitted for a different use.

A.Voyage repairs
B.Routine docking
C.Damage repairs
D.Conversion