niusouti.com
更多“Water Pump之中文名称为水泵.”相关问题
  • 第1题:

    AQL之中文名称为允收品质水准,VDCS之中文名称为供应商不良改善报告,PDCS之中文名称为制程异常连络单,TQC之中文名称为全面品质管理()


    正确答案:正确

  • 第2题:

    Cooling water pump


    正确答案: 冷却水泵

  • 第3题:

    Voltage之中文名称为电流.


    正确答案:错误

  • 第4题:

    单选题
    The motor for the fresh water pump ().
    A

    need to repair

    B

    need to be repaired

    C

    needs to repair

    D

    needs repairing


    正确答案: C
    解析: 暂无解析

  • 第5题:

    单选题
    A centrifugal bilge pump requires priming ().
    A

    primarily to lubricate the shaft seals

    B

    due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller

    C

    to initially unload the pump by having its head pressure equal to discharge pressure

    D

    in order to overcome the potential energy of water in the discharge line


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    Which pump installation would require an external source of sealing water?()
    A

    Main circulator pump jacket water cooling

    B

    Salt water service pump

    C

    Auxiliary condensate pump

    D

    Bilge pump


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    Cooling water pumps driven by direct reversing diesel engines are usually of the straight impeller vane type pump with a concentric housing to()
    A

    facilitate bi-directional operation

    B

    provide the greatest pump efficiency

    C

    prevent pump clogging from marine growth

    D

    prevent cavitation at the pump outlet


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    In a diesel engine cooling system, the high temperature alarm contact maker will be activated on excessively high water discharge temperature from the ()
    A

    raw water pump discharge

    B

    expansion tank outlet

    C

    cooling water heat exchanger

    D

    outlet engine jacket water outlet


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    The most suitable pump for oily water separator feed duties is ().
    A

    a reciprocating pump

    B

    a vane pump

    C

    a centrifugal pump

    D

    a triple screw pump


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    The boiler feed pump discharge pressure is higher than the steam drum pressure to ().
    A

    ensure feed water flow into the boiler

    B

    keep the steam drum pressure high

    C

    prevent water hammer in the feed line

    D

    help the feed water flash to steam


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    Lube oil in the fresh water cooling system of a diesel engine may result from a ()
    A

    camshaft seizure

    B

    lube oil pump failure

    C

    lube oil cooler failure

    D

    lube oil pump overflow


    正确答案: A
    解析: 暂无解析

  • 第12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13题:

    Tubeless Tire之中文名称为无内胎轮胎.


    正确答案:正确

  • 第14题:

    Valve Seat之中文名称为气门头.


    正确答案:错误

  • 第15题:

    Nozzle之中文名称为油道.


    正确答案:错误

  • 第16题:

    单选题
    A water pump can not supply water after startingIt may be caused by ().
    A

    closed discharge valve

    B

    broken pipe line

    C

    worn shaft

    D

    both A and B


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    The ()pump is usually used as the bilge feed pump to an oily water separator.
    A

    turbine

    B

    screw

    C

    vane

    D

    ejector


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    One of the main functions of wearing rings, as used in a centrifugal pump, is to ().
    A

    maintain radial alignment between the pump impeller and casing

    B

    absorb all impeller shaft end thrust

    C

    prevent water leakage to the atmosphere

    D

    prevent wear of the pump casing and/or impeller


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    The highest pressure in any closed diesel engine freshwater cooling system is at the ().
    A

    jacket water outlet

    B

    expansion tank inlet

    C

    heat exchanger inlet

    D

    cooling water pump outlet


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    ()belongs to emergency power supplying equipments.
    A

    Emergency fire pump

    B

    Windlass

    C

    Main sea water pump

    D

    Fresh water pump


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    In a vacuum boiling evaporator, the fresh water generated is pumped out by ().
    A

    a brine pump

    B

    an air ejector

    C

    a feed water pump

    D

    a condensate pump


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the ().
    A

    pump must always be primed

    B

    volute must impart a radial and rotary motion of the water suction side

    C

    connection must guide the liquid to the lantern rings

    D

    stuffing box should not be allowed any water leakage


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Water accumulation in the cylinder of a secured engine is an indication that the ()
    A

    soft water pump was not secured along with the engine

    B

    jacket water thermostat has failed

    C

    cylinder liner may be cracked

    D

    raw water pump is over-speeding just prior to engine shutdown


    正确答案: B
    解析: 暂无解析