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【单选题】

A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.

A、water

B、babbitt

C、iron or steel

D、acids

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更多“A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.”相关的问题
第1题
[单选题] The lubricating oil is pumped from the drain tank, very often with （） in the suction line.

A、a filter  B、a strainer  C、a magnetic filter  D、a fine strainer  

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第2题
[单选题] To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）

A、lube oil temperature at the cooler outlet  B、lube oil strainer magnets bearing  C、lube oil temperature  D、lube oil pressure to the bearing  

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第3题
[单选题] The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the（）.

A、north magnetic pole  B、south magnetic pole  C、magnetic prime vertical meridian  D、magnetic equator  

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第4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  

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第5题
[单选题] Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.

A、Heeling magnet  B、Flinders bar  C、Fore-and-aft magnets  D、All of the above can be set on magnetic east or magnetic west headings  

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第6题
[单选题] The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.

A、permanent magnetism  B、subpermanent magnetism  C、induced magnetism  D、variable magnetism  

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第7题
[单选题] What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?（）

A、Quadrantal spheres  B、Heeling magnets  C、Athwartships magnets  D、Fore-and-aft magnets  

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第8题
[单选题] Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south（）.

A、Quadrantal spheres  B、Heeling magnets  C、Flinders bar  D、Fore-and-aft magnets  

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第9题
[单选题] Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism. These correctors are the（）.

A、fore-and-aft and athwartships magnets  B、dip needle and heeling magnet  C、heeling magnet and Flinders bar  D、Flinders bar and quadrantal spheres  

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