單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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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 （）.

你可能感興趣的試題

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

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

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