The oil sludge is burnt in the （）on board I’ll show you the ashes.

相似题目

• If the detergent type lubricating oil being used in a diesel engine is black, the oil （）

  A . must be centrifuged B . must by filtered C . must be changed D . is holding finely dispersed carbon in suspensio

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• To ensure oil purifier working in normal condition,the interval between two sludge discharging should not exceed（） hours.

  A . A.2 B . B.4 C . C.5 D . D.6

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• In a typical fuel system, the oil is stored in （） in the double bottom.

  A . setting tanks B . service tanks C . tanks D . drain tank

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• The （）is used to burn oil sludge.

  A、clarifier B、oily water separator C、incinerator D、distiller

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• In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.

  A . piston crown B . piston ring groove C . piston skirt D . piston ring area

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• Which harmful consequence may be the result of lube oil sludge accumulation? （）

  A . Clogged oil pump suction screens B . Increased oil operating temperatures C . Sticking piston rings D . All of the above

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• When the fuel oil is burning in the combustion chamber, it （）.

  A . gives up large amount of heat B . gives off large amount of heat C . gives up large amount of steam D . gives off large amount of steam

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• When oil is discharged overboard，an entry is required in the（）.

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

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• In discussing oil pollution, one important fact to remember is that the problem remains the same （） heavy （） light oil is spilled into the water.

  A . both；and B . whether；or C . neither；nor D . because；so

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• Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varnish to form on the engine parts?（）

  A . Flash point improvers B . Pour point improvers C . Inhibitors D . Foam suppressor

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• Sludge may form in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of （）.

  A . wax precipitation in the lube oil B . contamination by dust, scale, or moisture C . refrigerant bubbles in the lube oil D . refrigerant reducing the lube oil viscosity

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• One of the methods NOT usually allowed in cleaning up oil spills in the United States is （）.

  A . skimmers B . straw C . dispersants D . sawdust

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• An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to （）

  A . have a high viscosity index B . mix readily with refrigerant C . have a high freezing point D . have a low pour point

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• The sludge tank installed in the diesel engine room is used to collect（） Ⅰ.sludge from the fuel oil settling tanks ad centrifuge Ⅱ.water that has been collected in the settling tank

  A . Ⅰonly B . Ⅱ only C . bothⅠand Ⅱ D . neitherⅠor Ⅱ

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• What type of oil is not covered in the oil pollution law?（）

  A . mineral oil B . machinery oil being transferred for shipboard use C . crude oil unrefined D . normal bilge oil and water

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• One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier 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 oil is too much

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• When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.

  A . viscosity will decrease B . volume will increase C . volume will decrease D . pour point will be reduced

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• Before the sludge in a purifier is ejected,（）

  A、the oil feeding is stopped and replaced by admitting flushing water. B、the flushing water feeding is stopped and replaced by admitting oil. C、the feeding of dirty oil and flushing water is stopped. D、the feeding of dirty oil and flushing water is admitted

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• The purpose of storm oil in a sea anchor is to（）.

  A . weigh down the anchor B . lubricate the anchor C . repel dangerous fish D . smooth the sea

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• 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

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• Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）

  A . Draining it overboard when the vessel gets underway B . Placing it in proper disposal facilities C . Adding sinking agents and discharging it into the water D . Mixing it with dispersants before draining it overboard

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• In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.

  A . a service tank B . a collecting tank C . a sump D . a settling tank

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• The fall in the cost of living is directly related to the drop in the price of oil.

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• The oil sludge is burnt in the ______onboard.I’ll show you the ashes.

  A.boiler B.main engine C.auxiliary engine D.incinerator

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