当风机报故障154“Gearbox high speed pump no pressure”都有可能是什么原因造成的？

题目

当风机报故障154“Gearbox high speed pump no pressure”都有可能是什么原因造成的？

相似考题

1.The amount of fluid delivered by a positive displacement pump can be regulated by _____.A.throttling the pressure lineB.changing the speed of the driving rotorC.either A or BD.None of the above is tree

2.If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause may be ______.A.high steam pressure in the boilerB.abnormally high feed-water temperatureC.abnormally high boiler water temperatureD.steam demand exceeding feed pump capacity

3.Which of the listed problems could produce a high absolute pressure within a flash type evaporator?A.production of high salinity distillateB.seawater feed temperature below 165℃C.a leak in the first stage demisterD.a cracked distillate pump vent line

4.If a centrifugal pump is driven by a constant speed electric motor and produces a discharge pressure less than designed, the cause is probably ______.A.excessive pump speedB.excessive suction headC.worn wearing ringsD.gross pump misalignment

参考答案和解析
正确答案:反馈线路虚接，油压传感器损坏，油路循环不畅，缺少齿轮油，油泵与电机间联轴器损坏，电机损坏，电机供电线路故障。
更多“当风机报故障154“Gearbox high speed pump no pressure”都有可能是什么原因造成的？”相关问题

  • 第1题：

    Which method should be used to warm up the pump turbines prior to discharge ________．

    A.Lock the turbine rotor and slowly bleed in steam until operating temperature is reached

    B.Run the pump at high speed with the discharge valves closed

    C.Run the turbine at slow speed with the pump disconnected

    D.Shut the discharge valve and run the pump at slow speed


    正确答案：D

  • 第2题：

    当出现故障122：Temperature generator overhang，都有可能是哪些原因造成的？


    正确答案: 1、发电机绕组PT100损坏
    2、发电机损坏
    3、缺少防冻液，造成发电机绕组温度过高
    4、模拟模块PLCWTAI91损坏
    5、绕组温度PT100虚接

  • 第3题：

    当出现故障Err222，都有可能是哪些原因造成的？


    正确答案: 1、水冷系统循环不好，造成滤波板温度高。
    2、测量滤波板温度的PT100损坏。
    3、连接测温回路的线路有虚接。

  • 第4题：

    单选题
    Which of the listed problems could produce a high absolute pressure within a flash type evaporator?（）
    A

    Production of high salinity distillate

    B

    Seawater feed temperature below 165℃

    C

    A leak in the first stage demister

    D

    A cracked distillate pump vent line


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    Overheating of a hydraulic system may be a result of （）.
    A

    changing pump discharge pressure in response to normal load variations

    B

    a high oil level

    C

    incorrect fluid viscosity

    D

    continued slow re-circulation of the oil


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    High speed aircraft is made of metals that can（）both high temperature and pressure.
    A

    stand by

    B

    put up with

    C

    withhold

    D

    withstand


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Injection lag in a diesel engine may be caused by（）
    A

    a higher cetane number of fuel oil

    B

    the diesel fuel used having a high viscosity

    C

    mechanical rigidity in the lube pump mechanism

    D

    a decrease rigidity in the fuel pump delivery pressure


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    （）uses one or two high pressure pumps for all the cylinders with one more standby, while（）have a separate high-pressure pump for each cylinder.
    A

    A common rail engine；conventional engines

    B

    A conventional engine；common rail engines

    C

    A marine diesel engine；most other engines

    D

    A two-stroke engine；four-stroke engines


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which method should be used to warm up the pump turbines prior to discharge（）.
    A

    Lock the turbine rotor and slowly bleed in steam until operating temperature is reached

    B

    Run the pump at high speed with the discharge valves closed

    C

    Run the turbine at slow speed with the pump disconnected

    D

    Shut the discharge valve and run the pump at slow speed


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The speed of an ocean current is dependent on（）.
    A

    the density of the water

    B

    the air temperature

    C

    the presence of a high pressure area near it

    D

    underwater soil conditions


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    The amount of fluid delivered by a helical pump can be regulated by （）.
    A

    throttling the pressure line

    B

    changing the speed of the rotor

    C

    either A or B

    D

    None of the above is tree


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    If a centrifugal pump is driven by a constant speed electric motor and produces a discharge pressure less than designed, the cause is probably（）.
    A

    excessive pump speed

    B

    excessive suction head

    C

    worn wearing rings

    D

    gross pump misalignment


    正确答案： D
    解析： 暂无解析

  • 第13题：

    简述风机出口压力突然降低可能是什么原因造成的？


    正确答案: 1、风机前导向失灵（或风机耦合器勺管失灵）。
    2、排空阀自动打开或排空阀损坏。
    3、风机出口压力测点损坏，指示失灵。

  • 第14题：

    当油泵与电机间联轴器损坏会报出（）故障。

    • A、Err154 Gearbox high spee；Dpump no pressure
    • B、Err093 Timeout gearbox heating
    • C、Err131 Gearbox oil temperature>90Ø
    • D、Err144 Circuit breaker gearbox high speed

    正确答案:A

  • 第15题：

    瞬时接地故障可能是什么原因造成的？


    正确答案: 变电所跳闸后重合成功，一般可能是雷击、绝缘部件瞬时闪络、电击人或动物、异物搭挂等原因造成。

  • 第16题：

    单选题
    In general, （） is suitable for delivering small quantities at high pressure.
    A

    reciprocating pump

    B

    gear pump

    C

    centrifugal pump

    D

    vane pump


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    When adding oil to a refrigeration system, precautions must be taken to ensure that （）.
    A

    the compressor suction pressure is not too high

    B

    all air is purged from the pump and charging fittings

    C

    the high pressure cutout switch is held open to prevent accidental starting

    D

    the condenser is completely shutdown first


    正确答案： B
    解析： 暂无解析

  • 第18题：

    问答题
    瞬时接地故障可能是什么原因造成的？

    正确答案： 变电所跳闸后重合成功，一般可能是雷击、绝缘部件瞬时闪络、电击人或动物、异物搭挂等原因造成。
    解析： 暂无解析

  • 第19题：

    单选题
    One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to （）
    A

    increase scavenge air pressure

    B

    reduce fuel booster pump pressure

    C

    adjust the fuel rack

    D

    retard fuel injector timing


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    The amount of fluid delivered by a positive displacement pump can be regulated by （）.
    A

    throttling the pressure line

    B

    changing the speed of the driving rotor

    C

    either A or B

    D

    None of the above is tree


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    A common rail engine has only one or two high pressure pumps in operation at the same（）time, and the injection into each cylinder.
    A

    can’t be controlled very precisely

    B

    can’t be controlled as flexibly as the separate pump system

    C

    can be controlled as flexibly as the separate pump system

    D

    can be controlled more precisely and flexibly


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.
    A

    high steam pressure in the boiler

    B

    abnormally high feed water temperature

    C

    abnormally high boiler water temperature

    D

    steam demand exceeding feed pump capacity


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.
    A

    cause loss of hydraulic oil from the system

    B

    result in extreme damage to the pump

    C

    cause damage to the pump ff not continually drained from the pump casing

    D

    result in the system high side pressure to substantially drop off


    正确答案： A
    解析： 暂无解析

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