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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(驾驶专业) > 航海英语 > 船舶及其结构 > 船舶动力装置

单项选择题

All marine low-speed diesels are of what design?（）

A.Four-stroke
B.Two-stroke
C.Electronic ignition
D.Forced exhaust

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单项选择题

All diesel engines are classified as（）.

A.four cycle
B.compression ignition
C.vacuum ignition
D.external combustion

单项选择题

A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.

A.bigger propeller
B.smaller power weight ratio
C.smaller propeller
D.larger power weight ratio

单项选择题

A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.

A.displacement
B.stability
C.towrope pull
D.propeller design

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