When started, a complete oily water separating unit is first filled ______. The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.A.with dirty waterB.with clean waterC.by oily waterD.by mixed water

题目

When started, a complete oily water separating unit is first filled ______. The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.

A.with dirty water

B.with clean water

C.by oily water

D.by mixed water


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  • 第1题:

    单选题
    Which of the following pumps will most affect oily water separator performance and give the worst result?()
    A

    reciprocating pump

    B

    vane pump

    C

    screw pump

    D

    centrifugal pump


    正确答案: B
    解析: 暂无解析

  • 第2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3题:

    单选题
    Upon arrival at a port, a vessel is not allowed () her ballast water, tanker washings or bilge water and other oily water at will.
    A

    to discharge

    B

    to be discharged

    C

    discharging

    D

    being discharged


    正确答案: D
    解析: 暂无解析

  • 第4题:

    单选题
    Bottom blow valves are installed on auxiliary water-tube boilers to ()
    A

    remove suspended and precipitated solids from the boiler water

    B

    completely drain the boiler in an emergency situation

    C

    prevent hardened scale deposits in the water drum

    D

    remove floating impurities from the oily water surface


    正确答案: B
    解析: 暂无解析

  • 第5题:

    单选题
    The resistance to the movement of the globule in oily water mixture depends on its size and the () of the fluid.
    A

    pressure

    B

    velocity

    C

    gravity

    D

    viscosity


    正确答案: B
    解析: 暂无解析

  • 第6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7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8题:

    单选题
    When started, a complete oily water separating unit is first filled ()The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment.
    A

    with dirty water

    B

    with clean water

    C

    by oily water

    D

    by mixed water


    正确答案: C
    解析: 暂无解析

  • 第9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10题:

    单选题
    One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
    A

    seal water supply be cut off

    B

    make up water supply be cut off

    C

    oil outlet valve closed or not open sufficiently

    D

    the flow rate of oily water is too much


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    A centrifuge arranged to separate two liquids is known as ().
    A

    an oily water separator

    B

    a purifier

    C

    a centrifugal compressor

    D

    a clarifier


    正确答案: D
    解析: 暂无解析

  • 第12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13题:

    单选题
    The following measures can be used to improve oily water separator’s separating effect except ()
    A

    overhauling every two year

    B

    working at intervals

    C

    renewing filtration material

    D

    pumping bilge water from different layers respectively


    正确答案: B
    解析: 暂无解析

  • 第14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15题:

    单选题
    A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by ().
    A

    holding its slops onboard until they can be pumped into the city sewer system

    B

    circulating them through the lube oil purifier to remove water and debris

    C

    holding its slops onboard until they can be discharged to a shore side reception facility

    D

    pumping them into a settling tank for separation before pumping the oily water residue overboard


    正确答案: C
    解析: 暂无解析

  • 第16题:

    单选题
    Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include().
    A

    approved oily-water separating equipment

    B

    a fixed or portable containment system at the shore connection

    C

    a spare pump in case the main pump is inoperative

    D

    at least one outlet accessible from the weather deck


    正确答案: B
    解析: 暂无解析

  • 第17题:

    单选题
    During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? ()
    A

    The quantity of oil residues generated

    B

    The capacity of sludge and bilge water holding tank

    C

    The capacity of the oily water separator

    D

    All of the above


    正确答案: B
    解析: 暂无解析

  • 第18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19题:

    单选题
    A centrifuge arranged to separate impurities and small amounts of water from oil is known as ().
    A

    an oily water separator

    B

    a purifier

    C

    a centrifugal compressor

    D

    a clarifier


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    The principle of separation by which all commercially available oily water separators function is () differential between oil and water.
    A

    the temperature

    B

    the viscosity

    C

    the gravity

    D

    the size


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?()
    A

    more economic

    B

    larger capacity on oil treatment

    C

    less costive

    D

    more capable of separating emulsified oil


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    ()are used to ensure that ships don’t discharge oil when pumping out oily water from any oil contaminated space.
    A

    Boiler

    B

    Incinerator

    C

    Oily water separator

    D

    Sewage treatment unit


    正确答案: A
    解析: 暂无解析

  • 第23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