单项选择题

To check the setting of the overspeed trip on a diesel powered generator, you would use a （）.

A.tachometer
B.torsion meter
C.dynamometer
D.pony brake

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单项选择题

A large change in ambient temperature, or using an oil of a viscosity different from the one recommended by the manufacturer in a mechanical hydraulic governor, will result in the need to adjust the （）.

A.pilot valve opening
B.compensating needle valve
C.compensating spring tension
D.accumulator spring tension

单项选择题

Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）

A.Splash lubrication
B.Pressure lubrication
C.Sight feed lubricators
D.Mechanical lubricators

单项选择题

Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to （）.

A.react with insufficient speed droop
B.fail to react to small speed changes
C.have excessive sensitivity to small speed changes
D.remain in the neutral position