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On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the______.A.accumulator spring compressionB.balance pistonC.compensating(补偿) needle valveD.proportional piston

题目

On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the______.

A.accumulator spring compression

B.balance piston

C.compensating(补偿) needle valve

D.proportional piston

相似考题

1.If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will .A.have a larger than normal dead bandB.produce excessive speed response to a load changeC.respond slowly to any change in engine loadD.stabilize engine speed at the new governor setting

2.In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.A.governor droopB.speeder spring tensionC.fuel rack lagD.load on the engine

3.The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.A.large conical springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure

4.For most diesel propulsion and generator engines, the over-speed trip device will stop the engine byA.moving the governor control to stopB.shutting off the lubricating oil supplyC.tripping the governor emergency stop leverD.shutting off the fuel supply

更多“On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases ”相关问题

  • 第1题：

    One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.

    A.governor sensitivity

    B.exhaust temperature

    C.fuel injection pressure

    D.speed of the cam shaft


    正确答案：B

  • 第2题：

    单选题
    If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will （）
    A

    have a larger than normal dead band

    B

    produce excessive speed response to a load change

    C

    respond slowly to any change in engine load

    D

    stabilize engine speed at the new governor setting


    正确答案： D
    解析： 暂无解析

  • 第3题：

    单选题
    Load control on a diesel engine is accomplished by （）.
    A

    regulating the speed of the turbocharger

    B

    rotating the fuel injector pump plunger

    C

    regulating the speed of the fuel oil transfer pump

    D

    changing engine timing


    正确答案： C
    解析： 暂无解析

  • 第4题：

    单选题
    For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by （）
    A

    moving the governor control to stop

    B

    shutting off the lubricating oil supply

    C

    tripping the governor emergency stop lever

    D

    shutting off the fuel supply


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    With one or more cylinders out of operation, the engine speed must be reduced because（）
    A

    in such cases, the air supply is no longer optimal, the thermal load will be higher

    B

    governor hunting will occur

    C

    torsional vibrations as other mechanical vibrations may occur

    D

    all of the above are correct


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.
    A

    increase the governor oil pressure

    B

    adjust the speed droop setting

    C

    adjust the speeder spring travel

    D

    adjust the compensating needle valve


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Defective governor in a diesel engine may lead to （）.
    A

    smoky exhaust

    B

    starting failure

    C

    ignition relay

    D

    over speed


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the （）
    A

    accumulator spring compressor

    B

    balance piston

    C

    compensating needle valve

    D

    proportional piston


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
    A

    controller

    B

    governor

    C

    instrument

    D

    apparatus


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    On a diesel engine equipped with an isochronous governor, if the “speed droop” control is reduced to the “zero” setting, the engine （）
    A

    speed will drop drastically with any increase in load

    B

    will stop due to zero fuel supply

    C

    will stall upon application of load

    D

    speed will remain fairly constant despite load changes


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    The hydraulic （） is used to control engine speed.
    A

    motor

    B

    pump

    C

    governor

    D

    capstan


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .

    A.Reduce engine speed to idle before removing the filter

    B.Soak the dirty filter in kerosene only

    C.Blow out the air inlet with compressed air

    D.Cover the air inlet after removing the filter


    正确答案：D

  • 第14题：

    单选题
    Adjustments to the compensating needle valve in a hydraulic governor should be made with the engine at （）
    A

    maximum power at a normal load

    B

    maximum power and load under normal conditions

    C

    half speed and normal temperature

    D

    normal operating temperature without a load


    正确答案： A
    解析： 暂无解析

  • 第15题：

    单选题
    The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）
    A

    compensate for low oil level

    B

    increase governor promptness

    C

    prevent governor hunting

    D

    limit engine load


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    What is the best way of stopping an over-speeding diesel engine?（）
    A

    Disconnect the battery cables from the starting motor

    B

    Drain the hydraulic fluid from the governor sump

    C

    Block the flow of cooling air to the radiator

    D

    Secure the fuel supply and block the air intake


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    The device used to limit engine torque at various engine speeds is called a （）
    A

    speed limiting governor

    B

    variable speed governor

    C

    constant speed governor

    D

    load limiting governor


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    If a main propulsion diesel engine hunts excessively at idle speed, you should （）
    A

    adjusts the idle speed control

    B

    drain and flushes the governor and replace the oil

    C

    adjusts the compensating needle valve


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially （）.
    A

    increase

    B

    decrease

    C

    fluctuate

    D

    remain constant


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）
    A

    Reduce engine speed to idle before removing the filter

    B

    Soak the dirty filter in kerosene only

    C

    Blow out the air inlet with compressed air

    D

    Cover the air inlet after removing the filter


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to （）
    A

    decrease only

    B

    increase only

    C

    decrease slightly then returned to original speed

    D

    increase slightly then returned to original speed


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed?（）
    A

    speed droop

    B

    compensation

    C

    idle speed setting

    D

    load limit control


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an （）
    A

    torque limiter

    B

    over-speed trip

    C

    over-speed governor

    D

    load limit governor


    正确答案： C
    解析： 暂无解析

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