Engage the flywheel with the （）.

【名词&注释】

可靠性(reliability)、续航力(endurance)、船舶动力装置(marine power plant)、海洋污染(marine pollution)

[单选题]Engage the flywheel with the （）.

A. turning gear
B. motor
C. driving gear
D. driven gear

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学习资料：

[单选题]可靠性对船舶动力装置具有特别重要的意义，可靠性不足会（）。

A. 导致海损和海洋污染^{(marine pollution)}
B. 降低营运效益
C. 降低续航力
D. A+B

[单选题]废气锅炉出口排烟温度t2不应低于露点，为了最大限度利用排气余热，在标定工况下，t2=露点+△t（℃），式中△t不应小于（）℃.

A. 25
B. 30
C. 40
D. 50

[单选题]Care and cleanliness are required when installing diesel fuel filters （）.

A. to prevent the fuel system from becoming air-hound
B. to prevent the fuel system becoming clogged with dirty particles
C. both of the above
D. to prevent the lubricating oil from leaking out of the filter element

[单选题]If the engine does start on air, but combustion does not immediately begin, the cause may be （）.

A. failure of the fuel pumps
B. starting air pressure too low
C. stop valve in air line closed
D. the turning gear still engaged

[单选题]The figure that the volume of air at BDC is divided by the volume of air at TDC is termed as（）.

A. ignition ratio
B. power ratio
C. compression ratio
D. injection ratio

[单选题]The film of oil between the rings and the liner is not only essential for the lubrication but also plays an important part in achieving （）.

A. an oil seal
B. removing heat
C. a gas seal
D. cooling the pisto

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