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单选题The most suitable pump for oily water separator feed duties is （）.A a reciprocating pumpB a vane pumpC a centrifugal pumpD a triple screw pump

题目
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

相似考题

1.How to operate oily water separator?

2.单选题Which of the following pumps will most affect oily water separator performance and give the worst result?（）A reciprocating pumpB vane pumpC screw pumpD centrifugal pump

3.单选题Placing a filter on the （） of an oily water separator will "polish" the discharge but overloading must be avoided.A suction sideB discharge sideC by-pass pipeD sampling pipe

4.If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause may be ______.A.high steam pressure in the boilerB.abnormally high feed-water temperatureC.abnormally high boiler water temperatureD.steam demand exceeding feed pump capacity

更多“The most suitable pump for oily water separator feed duties”相关问题

  • 第1题：

    单选题
    Which of the following pumps is most suitable for an oily water separator?（）
    A

    reciprocating pump

    B

    vane pump

    C

    mono pump

    D

    axial-flow pump


    正确答案： C
    解析： 暂无解析

  • 第2题：

    单选题
    Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）
    A

    100PPM oily water separator

    B

    Assembling the lube oil purifier as a separator and aligning bilge overboard

    C

    A 15PPM oily water separator

    D

    A magnetic duplex strainer


    正确答案： D
    解析： 暂无解析

  • 第3题：

    单选题
    The boiler feed water check valves are located on the （）
    A

    feed pump suction line

    B

    hot well

    C

    shell of the feed heater

    D

    feed lines to the boiler


    正确答案： C
    解析： 暂无解析

  • 第4题：

    单选题
    If found oil when we open low oil level plug of separator, it indicates （）
    A

    the separator is overload

    B

    the monitor equipment of separator fails

    C

    the discharge pump of separator can not work

    D

    the temperature of oil water is low


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    The pressure difference of the gauge on the oily water separator increases greatly, the reason is（）
    A

    the filter is clogged

    B

    bilge suction value is clogged

    C

    suction value and discharge value of the pump do not open fully

    D

    screw pump is worn seriously and volumetric efficiency is decreased


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    Prior to entering a cargo pump room, you should ensure that （）.
    A

    the forced ventilating system is operating

    B

    the cargo pumps are secured

    C

    no monocarbon gases are present

    D

    the oily water separator is de-energized


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    Before the oily water separator put into operation, it should be （）
    A

    filled with bilge water

    B

    filled with oil

    C

    filled with clean water

    D

    be emptied


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.
    A

    should agitate

    B

    should not agitate

    C

    should mix up

    D

    should not add up


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Because the flow rate of supply water pump is too large, oily water separator does not work wellWhich of the following is not the reason?（）
    A

    the monitoring equipment is out of order

    B

    separating effect becomes bad

    C

    inner wall is contaminated

    D

    separating effect becomes bad and inner wall is contaminated


    正确答案： A
    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
    If separating effect is not good, we can improve it by （）
    A

    flushing separator with hot water

    B

    increasing water supply flow

    C

    heat oily water properly

    D

    opening manual oil discharge value


    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：

    单选题
    The （）is fitted on an oily water separator.
    A

    sliding bowl bottom

    B

    gravity disc

    C

    bowl

    D

    liquid level detector


    正确答案： C
    解析： 暂无解析

  • 第14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15题：

    单选题
    Which of the following is wrong about operation of oily water separator?（）
    A

    filled with clean water before operation

    B

    keep air cushion in oil collecting space during running

    C

    check oil level during running

    D

    clean inner separator with low pressure stream


    正确答案： D
    解析： 暂无解析

  • 第16题：

    单选题
    When oily water separator is operating, which measure （） is wrong.
    A

    pay attention to operating parameters

    B

    renew and clean separating units in time

    C

    check oil level in separator to prevent overload

    D

    check separating effect, if it is bad, flush with large capacity water pump


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    In an oily water separator the oil will travel （） to the oil collecting spaces.
    A

    upwards

    B

    downwards

    C

    outwards

    D

    forwards


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.
    A

    15；inlet value

    B

    15；inlet and outlet value

    C

    30；inlet value

    D

    30；inlet and outlet value


    正确答案： A
    解析： 暂无解析

  • 第19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20题：

    单选题
    Oily water separator mis-alarms, the most possible reason is （）
    A

    separating oil too fast

    B

    the sensor flushed badly

    C

    the discharge solenoid value out of order

    D

    too low heating temperature


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）
    A

    the sensor of low oil level is fully covered by sludge

    B

    the coarse strainer before the pump in suction system is clogged

    C

    the screw pump is worn seriously and volumetric efficiency is decreased

    D

    bilge suction value is clogged


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.
    A

    temperature

    B

    viscosity

    C

    density

    D

    velocity


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）
    A

    The required oily-water separator malfunctions

    B

    The ship is transferred to Liberian registry

    C

    An annual survey is conducted fifteen months after the date of certificate issuance

    D

    A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following liquids can ordinarily be discharged overboard without being processed through an oily water separator?（）
    A

    Cargo tank ballast

    B

    Segregated ballast

    C

    Engine room bilges

    D

    Cargo pump room bilges


    正确答案： C
    解析： 暂无解析

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