Expansion Valve中文名称为冷气压缩机的吐出阀.

题目

Expansion Valve中文名称为冷气压缩机的吐出阀.

相似考题

1.A thermostatic expansion valve is properly controlling evaporator superheat. Adjusting this valve to lower the superheat will result in a/anA.evaporator pressure decreaseB.evaporator coil over-feedC.evaporator capacity increaseD.expansion valve diaphragm rupture

2.Valve Seat之中文名称为气门头.

3.膨胀阀（Expansion Valve）的功用是降低液态冷媒之压力及依车室内热负荷大小控制进入蒸发器内之冷媒流量.

4.When the refrigeration demand is small,_______.A.the expansion valve will move toward the wide open positionB.the expansion valve will move toward the closing positionC.the feeler bulb will conveys the high temperatureD.the superheat degree will raise

参考答案和解析
正确答案:错误
更多“Expansion Valve中文名称为冷气压缩机的吐出阀.”相关问题

  • 第1题：

    汽车空调系统中向车内释放冷气的部件是（）

    • A、冷凝器
    • B、蒸发器
    • C、压缩机
    • D、膨胀阀

    正确答案:B

  • 第2题：

    单选题
    When the heat load begins to increase, the needle valve of an expansion valve will（）
    A

    move in an opening direction

    B

    move in a closing direction

    C

    either open or close

    D

    not move at all


    正确答案： A
    解析： 暂无解析

  • 第3题：

    单选题
    While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding back from the evaporator is determined to be the causeIt may be necessary to （）.
    A

    change the expansion valve adjustment

    B

    readjust the water regulating valve to increase the flow of water

    C

    purge air from the condenser

    D

    clean the waterside of the condenser


    正确答案： C
    解析： 暂无解析

  • 第4题：

    单选题
    Moisture in a refrigeration system can cause （）.
    A

    freezing the expansion valve closed

    B

    corrosion of system piping

    C

    improper temperature regulation

    D

    all of the above


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    To correct the condition of slugging and flooding back in a refrigeration system, it may be necessary to （）.
    A

    re-adjust the discharge pressure

    B

    clean the expansion valve screen

    C

    add refrigerant

    D

    adjust the expansion valve


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    The scale trap is located between the （）
    A

    king valve and the expansion valve

    B

    solenoid valve and expansion valve

    C

    evaporator and receiver

    D

    compressor and evaporator


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    A cracked diaphragm in a thermostatic expansion valve will cause the valve to （）.
    A

    return to a neutral position

    B

    flood the evaporator

    C

    open

    D

    close


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    If a refrigeration system compressor crankcase is sweating, you should （）.
    A

    add refrigerant to the system

    B

    adjust the thermal expansion valve to the proper setting

    C

    adjust the float valve to the proper holding pressure

    D

    open the hand expansion valve


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?（）
    A

    The condenser and the expansion valve

    B

    The king valve and the solenoid valve

    C

    The compressor and the expansion valve

    D

    The condenser and the solenoid valve


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the problems listed represents the major difficulty encountered with thermal expansion valve operation?（）
    A

    Lube oil passing through the system

    B

    Moisture or foreign matter collecting at the valve seat and orifice

    C

    Variable spring tension caused by the changing temperature

    D

    Frost on the liquid line


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Moisture in the refrigerant may （）.
    A

    freeze on the expansion valve seat and reduce the flow of liquid refrigerant

    B

    emulsify the oil in the condenser

    C

    freeze in the king valve

    D

    clog the oil trap


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    The low pressure side of a refrigeration system is considered to exist from the （）.
    A

    expansion valve to the compressor

    B

    receiver to the expansion coil

    C

    expansion valve to the evaporator

    D

    condenser to the expansion valve


    正确答案： C
    解析： 暂无解析

  • 第13题：

    单选题
    Thermostatic expansion valve are （）.
    A

    either all the way open or all the way closed

    B

    normally open

    C

    throttled depending on load

    D

    controlled by suction pressure


    正确答案： D
    解析： 暂无解析

  • 第14题：

    单选题
    A thermostatic expansion valve is properly controlling evaporator superheatAdjusting this valve to lower the superheat will result in a/an （）.
    A

    evaporator pressure decrease

    B

    evaporator coil over-feed

    C

    evaporator capacity increase

    D

    expansion valve diaphragm rupture


    正确答案： C
    解析： 暂无解析

  • 第15题：

    单选题
    After passing through the expansion valve the refrigerant should be in the state of （）.
    A

    vapor

    B

    liquid

    C

    solid

    D

    None of the above is tree


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    A pressure drop in the liquid line of a refrigeration system may cause（）
    A

    the solenoid valve to seize

    B

    the compressor to hunt

    C

    flash gas to form in the liquid line

    D

    the expansion valve to freeze open


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    What is the function of thermostatic expansion valve in a compression refrigeration system?（）
    A

    nonexistent

    B

    for controlling pressure

    C

    for controlling superheat

    D

    for controlling the solenoid valve


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    The thermal expansion valve controls the amount of refrigerant that is allowed to flow to the （）.
    A

    compressor

    B

    cooling coils

    C

    condenser

    D

    receiver


    正确答案： B
    解析： 暂无解析

  • 第19题：

    填空题
    冷气系统循环中五项机件为（）、压缩机、（）、贮液筒、膨胀阀等。

    正确答案： 蒸发器,冷凝器
    解析： 暂无解析

  • 第20题：

    单选题
    A solenoid valve used in a refrigeration system should be installed （）.
    A

    with the axis of the solenoid horizontal, sensing temperature of the box, and upstream of the thermal expansion valve

    B

    upright, sensing temperature of the box, and upstream of the thermal expansion valve

    C

    upright, sensing temperature of the box, and downstream of the thermal expansion valve

    D

    upright, sensing heat of the tail coil, and upstream of the thermal expansion valve


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A ruptured diaphragm in a thermostatic expansion valve will cause the valve to （）.
    A

    open

    B

    close

    C

    remain in its position

    D

    flood the evaporator with refrigerant


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    What separate the high pressure side from the low pressure side in a refrigeration system?（）
    A

    Condenser and thermal expansion valve

    B

    King and solenoid valves

    C

    Compressor and thermal expansion valve

    D

    Condenser and solenoid valve


    正确答案： A
    解析： 暂无解析

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