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Sweating of the refrigeration system compressor crankcase is caused by ().

A、too much superheat

B、insufficient superheat

C、suction pressure too low

D、excessive refrigerant returning to the compressor

更多“Sweating of the refrigeration system compressor crankcase is caused by ().”相关的问题
第1题

A、a shortage of refrigerant in the system  B、air in the system  C、an accumulation of liquid refrigerant in the crankcase  D、a shortage of oil in the crankcase  

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第2题

A、insufficient lube oil circulating through the system  B、excessive circulation of lube oil through the system  C、insufficient refrigerant in the system  D、an overworked compressor  

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第3题

A、a shortage of refrigerant  B、the compressor running continuously  C、liquid refrigerant returning to the compressor  D、the compressor short cycling on the high pressure cutout  

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第4题

A、Dilated pupils and shallow breathing  B、Diarrhea and frequent urination  C、Muscle tenseness in almost the entire abdomen  D、Extreme sweating and reddening skin  

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第5题

A、add refrigerant to the system  B、adjust the thermal expansion valve to the proper setting  C、adjust the float valve to the proper holding pressure  D、open the hand expansion valve  

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第6题

A、a stuck solenoid valve  B、a shortage of refrigerant  C、too much oil in circulation  D、too much superheat  

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第7题

A、the raising of the standards of teaching and the reform in curriculum  B、the raising of the standards of teaching and learning and the restructuring of the schools  C、the raising of the standards of teaching and the improvement of the standards of learning  D、None of the above  

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第8题

A、volume of liquid in the tank  B、volume of displacement of the vessel  C、location of the tank in the vessel  D、height of the center of gravity of the vessel  

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第9题

A、centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump  B、centerline of the pump and the suction liquid level when the source of liquid is above the pump  C、centerline of the pump and the level of the discharge liquid  D、liquid levels of the suction and discharge  

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