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

题目
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

相似考题

1.Which of the following is true?A.The water in Texas have been reduced by 75%.B.Most industries in the world suffer from water shortagers.C.The underground water in Saudi Arabia might run out in 50 years.D.Good management of water use resulted from the project in the Central Valley.

2.A segregated ballast system is a system whereA.all ballast is processed through the oily water separatorB.ballast is taken on and discharged through a separate main deckC.ballast and cargo tanks are separated by cofferdamsD.all ballast lines, tanks, and pumps are independent of those used for oil

3.Which of the following network topologies is MOST likely to affect other devices on the network if there is a problem with one of the devices? ()A.MeshB.BusC.RingD.Star

4.Gear pumps are widely used to transfer any one of the following but .A.fuel oilB.lube oilC.hydraulic oilD.fresh water

更多“Which of the following pumps will most affect oily water sep”相关问题

  • 第1题：

    Which of the following computer types would benefit MOST from the installation of a water cooling setup?()

    A. Gaming PC

    B. Home theater PC

    C. Thick client

    D. Thin client


    参考答案：A

  • 第2题：

    The pour point of lubricating oils is affected the most by which of the following?

    A.Extensive centrifuging

    B.Wax content

    C.Water content

    D.Acid content


    正确答案：B

  • 第3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4题：

    单选题
    A segregated ballast system is a system where （）
    A

    all ballast is processed through the oily water separator

    B

    ballast is taken on and discharged through a separate main deck riser

    C

    ballast and cargo tanks are separated by cofferdams

    D

    all ballast lines, tanks, and pumps are independent of those used for oil


    正确答案： C
    解析： 暂无解析

  • 第5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6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7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8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9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10题：

    单选题
    Which of the following types of hydraulic pumps would be used in a steering system?（）
    A

    Lobe

    B

    Screw

    C

    Radial piston

    D

    Volute


    正确答案： C
    解析： 暂无解析

  • 第11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12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

  • 第13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：B

  • 第14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15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16题：

    单选题
    Which of the following network topologies is MOST likely to affect other devices on the network if there is a problem with one of the devices? （）
    A

    Mesh

    B

    Bus

    C

    Ring

    D

    Star


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    Which of the followings will affect the spray of fuel oil?（）
    A

    coke deposits

    B

    cylinder water temperature

    C

    asphalt in fuel oil

    D

    lub oil


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.
    A

    increasing the permeability of the pumproom

    B

    reduction of drill water from the storage tanks

    C

    a list caused by water filling the compartment

    D

    a reduced KG caused by water filling the compartment


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Which of the following statements is correct concerning diesel engine cooling water systems?（）
    A

    Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operation

    B

    propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinder

    C

    At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangers

    D

    Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling


    正确答案： B
    解析： 暂无解析

  • 第20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21题：

    单选题
    Which of the materials listed is used as the dynamic seal material on mechanical seals installed on most centrifugal pumps used in water service?（）
    A

    Copper

    B

    Copper and carbon

    C

    Carbon

    D

    Bronze


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following computer types would benefit MOST from the installation of a water cooling setup?（）
    A

    Gaming PC

    B

    Home theater PC

    C

    Thick client

    D

    Thin client


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged?（）
    A

    Centrifugal

    B

    Gear

    C

    Propeller

    D

    Turbine


    正确答案： A
    解析： 暂无解析

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