A separate piston cooling system is used to limit any contam

【名词&注释】

柴油机(diesel engine)、船舶动力装置(marine power plant)、核动力装置(nuclear power plant)、蒸汽动力装置(steam power plant)、汽轮机装置(steam turbine plant)、燃气动力装置(gas power plant)

[单选题]A separate piston cooling system is used to limit any contamination （） piston cooling glands（） the piston cooling system only.

A. between；to
B. either；or
C. from；to
D. neither；nor

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学习资料：

[单选题]船舶动力装置往往以推进装置的类型进行分类，可分为（）。

A. 蒸汽动力装置、燃气动力装置^{(gas power plant)}、核动力装置
B. 低速柴油机装置、中速柴油机装置、高速柴油机装置
C. 汽轮机装置^{(steam turbine plant)}、柴油机装置
D. A+B

[单选题]Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.

A. temperature
B. viscosity
C. density
D. velocity

[单选题]The abbreviation BDC means （）.

A. Boston Diesel Company
B. base circle diameter
C. switch board case
D. bottom dead center

[单选题]With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to （） of the engine.

A. increase the exhaust temperature
B. increase the power of
C. reduce the speed
D. increase the fuel consumptio

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