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單項(xiàng)選擇題

（），where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.

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

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單項(xiàng)選擇題

A is the documentary attestation for the delivery of stores and spare parts（）

A.engine logbook
B.delivery docket
C.store booklet
D.maintenance book

單項(xiàng)選擇題

The purpose of treating the cooling water of the diesel engine is to（）
Ⅰ. resist the scale formation in the cooling chamber
Ⅱ.lubricate the engine part
Ⅲ.increase thermal capacity
Ⅳ.resist corrosion

A.Ⅰ+Ⅱ
B.Ⅱ+Ⅲ
C.Ⅲ+Ⅳ
D.Ⅰ+Ⅳ