2022船舶动力装置题库考试试题解析(4Y)

1. [单选题]起吊活塞组件应（），以防超重（）。

A. 核算活塞组件的重量
B. 核对绳索的许用荷重
C. 检查吊钩重心与零件重心的一致性
D. 以上均是

2. [单选题]Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.

A. boiler
B. heater
C. engine
D. cooler

3. [单选题]In a diesel engine, excessive cylinder liner wear will cause （）(1) increased blow-by(2) wear between the piston ring and groove

A. (1) only is correct
B. (2) only is correct
C. both (1) and (2) are correct
D. neither (1) or (2) axe correct

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