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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶动力装置

单项选择题

The rotary motion of a diesel engine crankshaft is obtained from the up and down motion of the piston via the （）.

A.camshaft
B.reduction gears
C.rocker arm
D.connecting or piston rod

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High diesel engine cooling water temperatures can be caused by （）.

A.a worn water pump
B.not enough coolant
C.air in the cooling system
D.all of the above
单项选择题
The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears, propeller shafts, and generators by the （）.

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What is the crank angle between any two crank throws in the firing order of a four-stroke/cycle, in line, eight cylinder diesel engine?（）

A.45
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