The heat gained per pound of refrigerant in the evaporator is known as the ______.A.latent heat of vaporizationB.sensible heatC.refrigerating effectD.specific heat of vaporization

题目

The heat gained per pound of refrigerant in the evaporator is known as the ______.

A.latent heat of vaporization

B.sensible heat

C.refrigerating effect

D.specific heat of vaporization

相似考题

1.The temperature of the refrigerant in the evaporator coil depends mostly upon the ___.A.refrigerant pressure in the evaporatorB.cooling water temperature to the condenserC.heat load in the refrigerator compartmentD.solenoid valve in the liquid line

2.Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause______.A.carbon deposits on the compressor suction valvesB.the evaporator temperature to increaseC.rapid corrosion of the thermal expansion valveD.no operating problems

3.单选题When you adjust a thermostatic expansion valve, （）.A refrigerant must be bled off the sensing line before adjustments are madeB all refrigerant must be pumped into the receiver before adjustments are madeC time must be allowed for conditions to stabilize in the evaporator before further adjustments are madeD all refrigerant must be routed through the dehydrator while changing the superheat setting

4.The heat identified by only a change in temperature is known asA.sensible heatB.latent heatC.total heatD.residual heat

更多“The heat gained per pound of refrigerant in the evaporator is known as the ______.A.latent ”相关问题

  • 第1题：

    单选题
    The refrigerant flows through the evaporator, where it （） heat from the refrigerated space.
    A

    extracts

    B

    releases

    C

    gives no

    D

    absorbs no


    正确答案： B
    解析： 暂无解析

  • 第2题：

    单选题
    The sum of the sensible heat and the latent heat of any substance is known as （）.
    A

    total heat

    B

    residual heat

    C

    specific heat

    D

    superheat


    正确答案： D
    解析： 暂无解析

  • 第3题：

    单选题
    The heat removed from the refrigerant in the condenser of a refrigeration plant is the （）
    A

    latent heat of expansion

    B

    sensible heat of condensation

    C

    heat of compression

    D

    all of the above


    正确答案： C
    解析： 暂无解析

  • 第4题：

    单选题
    The heat gained per pound of refrigerant in the evaporator is known as the（）.
    A

    latent heat of vaporization

    B

    sensible heat

    C

    refrigerating effect

    D

    specific heat of vaporization


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    The heat required to change a substance from a solid to a liquid while at its freezing temperature, is known as the latent heat of （）.
    A

    fusion

    B

    vaporization

    C

    condensation

    D

    sublimation


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    Because the expansion valve is just （） way open, the refrigerant is under low pressure in the evaporator.
    A

    little

    B

    few

    C

    a little

    D

    a few


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.
    A

    refrigerant pressure in the evaporator

    B

    cooling water temperature to the condenser

    C

    heat load in the refrigerator compartment

    D

    solenoid valve in the liquid line


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The heat identified by only a change in temperature is known as （）.
    A

    sensible heat

    B

    latent heat

    C

    total heat

    D

    residual heat


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    The thermal expansion valve reacts directly to the （）
    A

    temperature in the space being cooled

    B

    liquid refrigerant pressure at the solenoid valve

    C

    pressure drop across the evaporator coils

    D

    refrigerant gas superheat at the coil outlet


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the （）.
    A

    condenser

    B

    vapor generator

    C

    accumulator

    D

    evaporator


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    In a flash distilling unit, evaporator feed (seawater) first absorbs heat in the （）.
    A

    vapor feed heater

    B

    air ejector condenser

    C

    saltwater heater

    D

    distillate cooler


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause （）.
    A

    carbon deposits on the compressor suction valves

    B

    the evaporator temperature to increase

    C

    rapid corrosion of the thermal expansion valve

    D

    no operating problems


    正确答案： A
    解析： 暂无解析

  • 第13题：

    单选题
    An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
    A

    restriction in refrigerant piping

    B

    air and non-condensable gases in the condenser

    C

    water in the refrigerant

    D

    flooding back of liquid refrigerant from the evaporator


    正确答案： C
    解析： 暂无解析

  • 第14题：

    单选题
    In a refrigeration system, the refrigerant absorbs the latent heat of vaporization in the（）.
    A

    compressor

    B

    condenser

    C

    receiver

    D

    evaporator


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?（）
    A

    Latent heat of vaporization

    B

    Heat of compression

    C

    Superheat

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by （）.
    A

    passing it through the expansion valve

    B

    condensing refrigerant in the system condenser

    C

    passing the gaseous refrigerant through the heat interchanger on the suction side of the compressor

    D

    maintaining a high pressure on the systems receiver


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    Less scale formation occurs in a flash evaporator than in a submerged tube evaporator because （）.
    A

    the distillate produced has greater purity

    B

    no boiling occurs on heat transfer surfaces

    C

    evaporation occurs at a higher rate

    D

    the incoming feed is at a higher temperature


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    The saturation temperature of the refrigerant must be （） that required in the evaporator refrigerated space.
    A

    above

    B

    below

    C

    equal to

    D

    None of the above


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    Scale accumulation on evaporator heat exchange surfaces （）.
    A

    increases brine density

    B

    increases distillate salinity

    C

    reduces metal corrosion

    D

    reduces heat transfer


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    A refrigerant gives up heat when it goes through （）.
    A

    condenser

    B

    regurgitate

    C

    evaporator

    D

    boil coil


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    The refrigerant leaves the evaporator of a refrigeration system as a low pressure （）.
    A

    sub-cooled liquid

    B

    high temperature liquid

    C

    oil saturated liquid

    D

    superheated vapor


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    In practice, the refrigerant flow after the evaporator is designed to ensure that the vapor leaving the evaporator is slightly （）.
    A

    saturated

    B

    super-cooled

    C

    wet

    D

    superheated


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    The distance gained in the direction of the original course when you are making a turn is known as（）.
    A

    advance

    B

    drift

    C

    tactical diameter

    D

    transfer


    正确答案： A
    解析： 暂无解析

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