A、a stuck solenoid valve
B、a shortage of refrigerant
C、too much oil in circulation
D、too much superheat
更多“Crankcase sweating in a refrigeration system is caused by （）.”相关的问题
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
A、too much superheat B、insufficient superheat C、suction pressure too low D、excessive refrigerant returning to the compressor
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
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
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
A、A.Sweat damage in containers is unusual due to the small enclosed volume of air B、B.In general，containerized hygroscopic cargoes are the only ones subject to sweat damage C、C.Containers should be ventilated，dehumidified，or the contents physically protected against sweat damage D、D.Sweat damage is not a problem except in insulated and refrigerated containers
A、You must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tank B、You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat C、There is danger of heavy cargo sweat if you ventilate D、There is little danger of any sweat problem
A、There is danger of heavy cargo sweat if outside air is introduced by ventilation B、Danger of the ship sweat exists.Constant and vigorous ventilation is required C、There is little danger of ship's sweat;slight possibility of cargo sweat D、The possibility of any ship or cargo sweat is remote
A、Danger of heavy ship sweat exists； constant and vigorous ventilation is required B、There is danger of heavy cargo sweat if outside air is introduced by ventilation C、There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed D、The possibility of any sweat problem，either cargo or ship，is remote
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