When a clarifier is running the impurities and water collect at the bowl _____.A.centerB.peripheryC.inletD.upper parts

题目

When a clarifier is running the impurities and water collect at the bowl _____.

A.center

B.periphery

C.inlet

D.upper parts

相似考题

1.When during separation solids and water accumulate in the solids holding space, the iquid seal is displaced to the bowlA.interfacerB.brimC.peripheryD.center

2.A centrifuge arranged to separate two liquids is known asA.an oily water separatorB.a purifierC.a centrifugal compressorD.a clarifier

3.The separation of impurities and water from ______is essential for good combustion of diesel engines.A.lube oilB.fuel oilC.turbine oilD.grease

4.If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, theA.oil has a tendency to emulsify in the bowlB.purifier will act as a clarifier at the discharge ringC.oil will be lost through the water discharge portsD.oil solids will be deposited only at the intermediate top disk

更多“When a clarifier is running the impurities and water collect at the bowl _____.A.centerB.p ”相关问题

  • 第1题：

    The drinking water is contaminated with impurities.

    A:blackened
    B:polluted
    C:darkened
    D:mixed

    答案：B
    解析：
    本句意思：饮用水被杂质污染了。contaminate意为“弄脏，污染”，与pollute（污染）意思相近。blacken使变黑；darken使变暗；mix混合。

  • 第2题：

    单选题
    A shallow dish positioned at the normal water level is connected to the（）This enables the blowing down or removal of scum and impurities from the water surface.
    A

    main stern stop valve

    B

    auxiliary steam stop valve

    C

    scum valve

    D

    blow down valve


    正确答案： B
    解析： 暂无解析

  • 第3题：

    单选题
    If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the（）
    A

    oil has a tendency to emulsify in the bowl

    B

    purifier will act as a clarifier at the discharge ring

    C

    oil will be lost through the water discharge ports

    D

    oil solids will be deposited only at the intermediate top disk


    正确答案： A
    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 emulsion of the oil is mainly caused by （）.
    A

    the solid impurities of large particle

    B

    the solid impurities of fine particle

    C

    the water content

    D

    both water and solid impurities


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    （） is used to produce electric power.
    A

    An alternator

    B

    fresh water generator

    C

    A compressor

    D

    A clarifier


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    Clean oil is achieved in a clarifier bowl where the impurities and water collect at the bowl （）.
    A

    bottom

    B

    top

    C

    center

    D

    periphery


    正确答案： D
    解析： 暂无解析

  • 第8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9题：

    单选题
    When a clarifier is running the impurities and water collect at the bowl （）.
    A

    center

    B

    periphery

    C

    inlet

    D

    upper parts


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    When two oil separators are working in series, they should work with （）
    A

    both as clarifiers

    B

    first one as clarifiers, second one as purifier

    C

    both as purifiers

    D

    first one as purifier, second one as clarifier


    正确答案： D
    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
    Allowance for fresh water refers to（）.
    A

    the provision to be provided when the vessel sails in fresh water area

    B

    the fresh water to be carried by a vessel

    C

    the allowance of fresh water for each crew member when in distress at sea

    D

    the amount of free board decreased when sailing in fresh water area


    正确答案： D
    解析： 暂无解析

  • 第13题：

    When the good sare ready，the shipping agent will（）and（）them to the docks.

    • A、deliver，collect
    • B、collect，send
    • C、deliver，send
    • D、collect，deliver

    正确答案:D

  • 第14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15题：

    单选题
    A common occurrence when a vessel is running into shallow water is that（）.
    A

    the wake is less pronounced

    B

    the vessel is more responsive to the rudder

    C

    squat will cause a decrease in bottom clearance and an increase in draft

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第16题：

    单选题
    The operating water is supplied under the （）of an oil separator.
    A

    sliding bowl bottom

    B

    bowl hood

    C

    bowl

    D

    filter units


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    In a disk-type lubricating oil purifier, （）
    A

    the purifier driving gears are lubricated by the reclaimed

    B

    oil as it leaves the bowl all dirt and sludge are automatically discharged with the cooling water

    C

    sealing water must never be supplied until after oil is fed to the unit

    D

    deterioration of the bowl ring gasket will cause the purifier to lose its water seal


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.
    A

    clockwise, due to the bowl rotating clockwise

    B

    clockwise, due to the bowl rotating counterclockwise

    C

    counterclockwise, due to the bowl rotating clockwise

    D

    counterclockwise, due to the bowl rotating counterclockwise


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    The separation of impurities and water from （） is essential for good combustion of diesel engines.
    A

    lube oil

    B

    fuel oil

    C

    turbine oil

    D

    grease


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    For a L√Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will （）.
    A

    be interrupted

    B

    move downwards

    C

    move outwards

    D

    retain original position


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Impurities from the boiler water surface can be removed through the （）.
    A

    safety valve

    B

    blow down valve

    C

    scum valve

    D

    feed check valve


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    When is the density of the water required to be logged in the logbook of a ship?（）
    A

    Any time the vessel moves from water of one density into waters of a different density

    B

    Prior to getting underway when the vessel is floating in fresh or brackish water

    C

    Only when the vessel moves from fresh water into salt water

    D

    The density of the water is not required to be logged in the unofficial logbook


    正确答案： C
    解析： 暂无解析

  • 第23题：

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

    completely drain the boiler in an emergency

    B

    prevent sludge from forming in the drum

    C

    remove floating impurities from the boiler water surface

    D

    remove settled solids from the water drum


    正确答案： B
    解析： 暂无解析

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