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單項(xiàng)選擇題

When a ship in loaded condition floats at arbitrary water line, its displacement is to the relevant mass of water displaced by the ship（）

A.equal
B.larger
C.smaller
D.equivalent

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單項(xiàng)選擇題

Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control （）

A.the lubricating oil consumption
B.the turbine blade temperature
C.the flow rate of fuel
D.scavenge air pressure

單項(xiàng)選擇題

The ship emergency plan item should not include （）
Ⅰ.ifesaving,fire fighting, leakage blocking, abandon ship
Ⅱ.irst aid
Ⅲ.ntegration emergency

A.Ⅱ
B.Ⅲ
C.Ⅰ+Ⅲ
D.Ⅰ