The main engine is cooled with fresh water （）is added suitable small quantities of chemicals to prevent corrosion.
- Ain which
- Bon which
- Cto which
- Dby which
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1、Passage Four"Cool" is a word with many
Passage Four"Cool" is a word with many meanings. Its old meaning is used to express a temperature that is a little bit cold. As the world h...
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2、A diesel engine is equipped with an is
A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to （）Adecrease onlyBincrease onlyCdecrease slightly then returned to original speedDincrease slightly then returned to original speed
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3、Who is in charge of the main engine?（）
Who is in charge of the main engine?（）AThe chief engineerBThe second engineerCThe third engineerDThe fourth engineer
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4、The cooling water of the diesel engine
The cooling water of the diesel engine should be treated, because it has（）Aalkale scenceBacidityCsalinityDimpurity
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5、Cooling of engine is achieved by circu
Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.AboilerBheaterCengineDcooler
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6、Fresh water is used for the cooling of
Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.Acylinder coversBlubricating spaceCcrossheadDexhaust manifold