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【单选题】

The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().

A、sufficient quantity; measured

B、measured quantity;sufficient

C、excessive quantity;sufficient

D、the less quantity the better;the more the better

更多“The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().”相关的问题
第1题

A、sudden evaporation of wax crystals in the lubricant  B、sudden evaporation of entrapped air in the lubricant  C、release of refrigerant from the oil/refrigerant mixture  D、release of dissolved lubricant from the refrigerant  

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第2题

A、compressor damage from improper lubrication  B、refrigerant absorption by the lubricant  C、increased viscosity in the lubricant  D、carbon deposit on the compressor suction valves  

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第3题

A、Splash lubrication  B、Pressure lubrication  C、Sight feed lubricators  D、Mechanical lubricators  

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第5题

A、dropping lube oil for lubrication, reducing the pollution to the sea  B、setting a temporary gravity oil tank and enhanced the position properly  C、lubricating with the used lube oil  D、lubricating with the fresh water and navigation in a lower speed  

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第7题

A、A.mechanical lubricator  B、B.lubrication function  C、C.forced feed system  D、D.bearing lubrication  

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第8题

A、removing heat and deposits  B、neutralizing acidic products  C、lubricating  D、improving combustion efficiency  

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第9题

A、compressor lubrication will be improved  B、oil will not leave the crankcase  C、compressor valves will be damaged  D、oil may congeal in the evaporator  

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