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

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• 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 u

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• In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in the sentence above?（）

  A . a separator B . oil C . water D . an oil collecting space

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• The ability of an oil to separate cleanly from an oil and water mixture is referred to as its （）.

  A . precipitation number B . neutralization number C . pour point D . demulsibility

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• 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

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• An oil in water monitor is required in order to measure （）.

  A . the oil content in water B . the water content in fuel oil C . the water level in bilge well D . the oil level in bilge well

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• 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

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• 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

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• The （）is fitted on an oily water separator.

  A、sliding bowl bottom B、gravity disc C、bowl D、liquid level detector

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• 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

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• 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

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• 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 pum

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• The operating water is supplied under the （）of an oil separator.

  A . sliding bowl bottom B . bowl hood C . bowl D . filter unit

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• When oily ballast has been pumped overboard，an entry must be made in the（）.

  A . Oil Record Book B . Official Logbook C . deck rough log D . engine rough log

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• 某散货船总吨位10050，于2007年7月建造，设计机舱含油舱底水系统时，设计人员向审图工程师咨询关于滤油设备（油水分离器，oily bilge water separator）的几个问题，在参照MARPOL附则I第14条后，审图工程师通知设计人员以下的理解是正确的（）

  A . 滤油设备（油水分离器）应满足MEPC.60（33）决议通过的船舶机器处所污染设备的导则和技 B . 术标准 C . 滤油设备（油水分离器）应满足MEPC.107（49）决议通过的船舶机器处所污染设备的导则和技术标准 D . 滤油设备的设计应保证当排出物（含油舱底水）的含油量超过15PPM时能发出报警 E . 滤油设备的设计应保证当排出物（含油舱底水）的含油量超过15PPM时能自动停止含油舱底水的排放

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• 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

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• 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

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• 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 pum

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• The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the（） in the Turbulo separator.

  A . catch plates B . swash plates C . cover plates D . bedplate

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• 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 bilge

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• Which of the following is wrong about operation of oily water separator?（）

  A、To filled with clean water before operation. B、To keep air cushion in oil collecting space during running. C、To check oil level during running. D、To clean inner separator with low pressure steam.

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• To assist separation of low viscosity oils steam coils or electric heaters are fitted （） of the oily water separator.

  A . in entrance B . in exit C . in the upper part D . on the outside

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• A vessel in ocean service that does not have an approved means of processing oily bilge slops or oily ballast must have（）.

  A . a fixed piping system for ballast discharge to a reception facility B . a discharge outlet for the ballast system on each side of the weather deck C . one portable adapter for a shore connection to the ballast line D . All of the above

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• Egg yolk contains lecithin which acts a an emulsifier. It can be used to stabilize emulsions. Adding egg yolk to a mixture of oil and water prevents the two liquids from separating.

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• The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the_____ in the Turbulo separator.

  A.catch plates B.swash plates C.cover plates D.bedplates

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