The pressure of the hose is too low.（）A、压载水压力太低。B、水龙压力太低。C、水龙压力太高。D、压载水压力太高。

题目

The pressure of the hose is too low.（）

  • A、压载水压力太低。
  • B、水龙压力太低。
  • C、水龙压力太高。
  • D、压载水压力太高。
相似考题

1.All the big company’s trading partners come under _______ pressure to turn into E－businesses too.(A) intensify(B) intense(C) integral(D) internal

2.The pressure of too much homework has led to an evident _______ among the students.A. shortageB. minimumC. refusalD. decline

3.Sweating of the refrigeration system compressor crankcase is caused by_______ .A.too much superheatB.insufficient superheatC.suction pressure too lowD.excessive refrigerant returning to the compressor

4.Not only I but also James and Lucy_______afraid of having too much pressure.A.isB.areC.be

更多“The pressure of the hose is too ”相关问题

  • 第1题：

    Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?

    A.Test the pressure gauge for correct reading

    B.Weigh the cartridge

    C.Replace the dry chemical

    D.Pressure test the discharge hose


    正确答案：B

  • 第2题：

    Each hose used for transferring vapors must ______．

    A.have a design burst pressure of at least 25 psig

    B.be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting

    C.be electrically continuous with a maximum resistance of ten thousand ohms

    D.All of the above


    正确答案：D

  • 第3题：

    单选题
    Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
    A

    Test the pressure gauge for correct reading

    B

    Weigh the cartridge

    C

    Replace the dry chemical

    D

    Pressure test the discharge hose


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances（）
    A

    This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.

    B

    This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm.

    C

    This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm.

    D

    This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.


    正确答案： A
    解析： 暂无解析

  • 第5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： A
    解析： 暂无解析

  • 第6题：

    单选题
    Which statement about stowing spare hose is TRUE（）.
    A

    Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up

    B

    Roll the hose starting at the female end

    C

    Roll the hose starting at the male end

    D

    Fold the hose into lengths about 6 feet long and then lash the folds together


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    The pressure of the hose is too low.（）
    A

    压载水压力太低。

    B

    水龙压力太低。

    C

    水龙压力太高。

    D

    压载水压力太高。


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    As is well known, eating too much fat can _____ heart disease and cause high blood pressure.
    A

    add to

    B

    attend to

    C

    contribute to

    D

    apply to


    正确答案： A
    解析：
    句意：众所周知，食用过多脂肪易引起心脏病和高血压。contribute to导致，引起。add to加上。attend to专心，注意。apply to将……应用于。

  • 第9题：

    单选题
    If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the （）.
    A

    cylinder compression pressure may not be high enough

    B

    cylinder compression temperature may be too high

    C

    fuel oil injection pressure may not be high enough

    D

    scavenge and purge process is incomplete


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Flexible hose under pressure in a hydraulic system will （）.
    A

    tend to twist about its long axis

    B

    expand in length and in diameter

    C

    contract in length and expand in diameter

    D

    flex at right angles to the applied pressure


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A diesel engine will lose power if fuel injection occurs too late in the cycle, because the（）
    A

    fuel droplets will burn as they leave the fuel injector

    B

    fuel will not be properly atomized in the cylinder

    C

    maximum expansion of the burned fuel cannot take place in the cylinder

    D

    compression pressure will be too low to cause fuel ignition


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Each hose used for transferring vapors must（）.
    A

    have a design burst pressure of at least 25 psig

    B

    be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting

    C

    be electrically continuous with a maximum resistance of ten thousand ohms

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which statement about stowing spare hose is TRUE ________．

    A.Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up

    B.Roll the hose starting at the female end

    C.Roll the hose starting at the male end

    D.Fold the hose into lengths about 6 feet long and then lash the folds together


    正确答案：A

  • 第14题：

    Reid vapor pressure is ______．

    A.exerted by liquid cargo on the sides of a tank

    B.exerted by liquid cargo on a cargo hose body

    C.the lowest temperature and pressure that will cause a flammable liquid to give off vapors

    D.a measurement of the amount of flammable vapors given off by a liquid at a certain temperature


    正确答案：D

  • 第15题：

    单选题
    Lube oil cannot be efficiently filtered if its （）.
    A

    viscosity is too low

    B

    temperature is too low

    C

    pump discharge pressure is higher than the systems pressure

    D

    pump capacity is greater than the systems needs


    正确答案： A
    解析： 暂无解析

  • 第16题：

    单选题
    Eating too much fat can devote to heart disease and cause high blood pressure.
    A

    attribute to

    B

    attend to

    C

    distribute to

    D

    contribute to


    正确答案： A
    解析： 词语运用题。句意：食用太多的脂肪会导致心脏病和高血压。contribute to意为“有助于／影响到某事发生”符合句意，所以选D。attribute意为“认为……是；把……归因于”，其惯用搭配是attribute sth. to。attend to专心，注意，照顾。C中的distribute，意为“分发，分配”时，distribute sth. to sb是其惯用搭配；意为“散布”时，常与介词over连用。

  • 第17题：

    单选题
    Which of the following may lead to the engine NOT to start on air?（）
    A

    starting air pressure too high

    B

    correct timing of starting air valves

    C

    three of the six starting valves stuck

    D

    the turning gear disengaged


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the （）.
    A

    air charge density becoming too high

    B

    piston crown surfaces becoming too cold

    C

    formation of excessive quantities of condensate

    D

    compression pressure being greatly reduced


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    If you have high blood pressure, you should _____ eating too much salt.
    A

    escape

    B

    suggest

    C

    avoid

    D

    relieve


    正确答案： B
    解析：
    avoid避免。relieve减轻，救援。

  • 第20题：

    单选题
    If the head pressure is too high,（）
    A

    the relief valve should open before the high-pressure cutout

    B

    the relief valve should open and let excess refrigerant go to receiver

    C

    the high-pressure cutout switch should operate before the relief valve opens

    D

    close in on the suction valve


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Sweating of the refrigeration system compressor crankcase is caused by （）.
    A

    too much superheat

    B

    insufficient superheat

    C

    suction pressure too low

    D

    excessive refrigerant returning to the compressor


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    If you have high blood pressure, you should_____eating too much salty food.
    A

    escape

    B

    suggest

    C

    avoid

    D

    relax


    正确答案： D
    解析：

  • 第23题：

    单选题
    According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.
    A

    5 times the maximum working pressure on the hose during cargo transfer

    B

    one half the designed working pressure

    C

    4 times the pressure of the cargo pump used for transferring

    D

    5 times the minimum working pressure on the hose during cargo transfer


    正确答案： A
    解析： 暂无解析

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