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【单选题】

These acid residues must be prevented from entering the crankcase, otherwise the lube oil would be()

A、contaminated

B、emulsified

C、deteriorated

D、oxidated

更多“These acid residues must be prevented from entering the crankcase, otherwise the lube oil would be()”相关的问题
第2题

A、Ash content, carbon residue, and gravity  B、Viscosity, acidity, and demulsibility  C、Pour point, flash, point, and precipitation number  D、Auto-ignition point, viscosity index, and film strength  

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第3题

A、hydrogen chloride  B、calcium chloride  C、sulfuric acid  D、muriatic acid  

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第4题

A、acids or alkalies  B、diesel oil  C、acids,but not alkalies  D、alkalies,but not acids  

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第5题

A、A.hydrogen chloride  B、B.calcium chloride  C、C.sulfuric acid  D、D.muriatic acid  

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第6题

A、A.acids or alkalies  B、B.diesel oil  C、C.acids, but not alkalies  D、D.alkalies, but not acids  

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第7题

A、A.Each of the cargoes must be segregated from the other by at least two barriers  B、B.The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield  C、C.Aluminum,copper,and zinc are prohibited in all valve parts in contact with these cargoes  D、D.The required warning sign must have the legend "cancer hazard" added to it  

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第8题

A、boric acid solution  B、water  C、baking soda solution  D、ammonia  

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第9题

A、slight acidity  B、slight alkalinity  C、excessive alkalinity  D、excessive acidity  

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