单选题A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.A high pressure liquid lineB low pressure liquid lineC high pressure vapor lineD low pressure vapor li

题目
单选题
A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.
A

high pressure liquid line

B

low pressure liquid line

C

high pressure vapor line

D

low pressure vapor line

相似考题

1.A Work Berakdown Structure is most useful for:A . Identifying individual tasks for a project.B . Scheduling the start of tasks.C . Developing a cost estimate.D . Determining potential delays.E . A and C.

2.The Delphi Method is _____ .A used to derive a consensus arriving at a convergent solutionB useful in determining probability relating to future events.C used with questionnaires based on established scenarios.D continued as an iterative process until a solution is reached.E All of the above.

3.20 A Gantt chart is useful in determining:A. the level of effort for a taskB when a task starts and stopsC. how tasks are related to each otherD. who is assigned to do a taskE. All of the above

4.A work breakdown structure is most useful for:A.identifying individual tasks for a projectB.scheduling the start of tasksC.developing a cost estimateD.determining potential delaysE.A and C

参考答案和解析
正确答案： A
解析： 暂无解析
更多“A liquid indicator sight glass is useful in determining whet”相关问题

  • 第1题：

    77 The Delphi Method is _____ .

    A. used to derive a consensus arriving at a convergent solution

    B. useful in determining probability relating to future events.

    C. used with questionnaires based on established scenarios.

    D. continued as an iterative process until a solution is reached.

    E. All of the above


    正确答案：E

  • 第2题：

    89 A Work Berakdown Structure is most useful for:

    A. Identifying individual tasks for a project.

    B. Scheduling the start of tasks.

    C. Developing a cost estimate.

    D. Determining potential delays.

    E. A and C


    正确答案：E

  • 第3题：

    ● A Gantt chart is useful in determining:

    A the level of effort for a task

    B when a task starts and stops

    C how tasks are related to each other

    D who is assigned to do a task

    E All of the above.


    正确答案：B

  • 第4题：

    Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid line If excess moisture is present in the system, the indicator will

    A.activate the driers

    B.change color

    C.secure the compressor

    D.add a predetermined amount of liquid drier


    正确答案：B

  • 第5题：

    A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metrics will be most useful in determining the storage platform recommendation?()

    A. number of users, type of applications to be used

    B. performance per user, network bandwidth available

    C. number of users, storage capacity per user, network bandwidth available

    D. number of users, number of applications per user, network bandwidth available


    参考答案：C

  • 第6题：

    --What happened to the glass?
    -- __________.

    A．The glass was broken
    B．Tom broke the glass
    C．The glass is broken
    D．Tom has broken the glass

    答案：A
    解析：
    考查语态和时态。“be+过去分词”结构不全是被动语态，有些动词(如be，feel，look，seem等)后面的过去分词已转化为形容词，作表语表示状态。本题中由问句中的happened可知是表示过去的状态，所以答句应为：The glass was broken．(玻璃杯碎了。)

  • 第7题：

    单选题
    Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）
    A

    activate the driers

    B

    change color

    C

    secure the compressor

    D

    add a predetermined amount of liquid drier


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    In an operating refrigeration system low on refrigerant, a liquid line sight glass will（）
    A

    be clear

    B

    be blue

    C

    be light green

    D

    show bubbles


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Air entering an air-cooled refrigeration system is indicated by （）.
    A

    frosting of the liquid line

    B

    higher than normal head pressure

    C

    a clear sight glass

    D

    abnormally cold reefer boxes


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A dead reckoning (DR) plot（）.
    A

    ignores the effect of surface currents

    B

    is most useful when in sight of land

    C

    must be plotted using magnetic courses

    D

    may be started at an assumed position


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flowThis means （）.
    A

    the system is fully charged

    B

    there is air leaking in from the condenser

    C

    ice crystals are forming in the refrigerant

    D

    the system contains less than a full charge of refrigerant


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A sight glass is installed in the liquid line to indicate the condition of the refrigerant charge and may also indicate the （）.
    A

    condition of the expansion valve

    B

    moisture in the system

    C

    condition of the compressor suction valves

    D

    condenser temperature


    正确答案： D
    解析： 暂无解析

  • 第13题：

    107 A work breakdown structure is most useful for:

    A. identifying individual tasks for a project

    B. scheduling the start of tasks

    C. developing a cost estimate

    D. determining potential delays

    E. A and C


    正确答案：E

  • 第14题：

    ● A work breakdown structure is most useful for:

    A identifying individual tasks for a project

    B scheduling the start of tasks

    C developing a cost estimate

    D determining potential delays

    E A and C


    正确答案：E

  • 第15题：

    ● A work breakdown structure (WBS) is a tool used to define and group a project's discrete work elements in a way that helps organize and define the total work scope of the project. A WBS is most useful for（72） .

    （72）

    A．identifying individual tasks for a project

    B．scheduling the start of tasks

    C．scheduling the end of tasks

    D．determining potential delays


    正确答案：A

  • 第16题：

    In the refrigeration system, a shortage of refrigerant is indicated by

    A.the compressor short cycling on high pressure cut out switch

    B.high suction pressure

    C.high head pressure

    D.bubbles in the sight glass


    正确答案：D

  • 第17题：

    Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks ________．

    A.A flame safety lamp

    B.A combustible gas indicator

    C.A liquid cargo meter

    D.All of the above


    正确答案：B

  • 第18题：

    A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metric willbe most useful in determining the storage platform recommendation?（）

    • A、 type of applications to be used
    • B、 number of users 
    • C、 storage capacity per user 
    • D、 number of IOPS to the disk system

    正确答案:D

  • 第19题：

    单选题
    Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles?（）
    A

    Proper refrigerant charge

    B

    Faulty expansion valve

    C

    Insufficient refrigerant

    D

    Solenoid valve stuck open


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    If a liquid sight flow indicator in a refrigeration system shows gas bubbles in motion passing inside of the glass, there is （）.
    A

    too much refrigerant in the system

    B

    oil entrained in the refrigerant

    C

    less than a full charge of refrigerant in the system

    D

    ice crystals forming in the refrigerant


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metrics will be most useful in determining the storage platform recommendation?（）
    A

    number of users, type of applications to be used

    B

    performance per user, network bandwidth available

    C

    number of users, storage capacity per user, network bandwidth available

    D

    number of users, number of applications per user, network bandwidth available


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    In the refrigeration system, a shortage of refrigerant is indicated by （）.
    A

    the compressor short cycling on high pressure cut out switch

    B

    high suction pressure

    C

    high head pressure

    D

    bubbles in the sight glass


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    The ash content of a fuel oil is significant to the operating engineer because it （）
    A

    is an indication of the amount of noncombustible material present in the oil

    B

    indicates the quantity of energy released by burning a unit amount of the fuel

    C

    is useful for determining proper atomization temperatures

    D

    reflects the overall thermal efficiency of the fuel oil service system


    正确答案： D
    解析： 暂无解析

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