A、the compressor short cycling on high pressure cut out switch
B、high suction pressure
C、high head pressure
D、bubbles in the sight glass
更多“In the refrigeration system, a shortage of refrigerant is indicated by （）.”相关的问题
A、A.too much refrigerant in the system B、B.oil entrained in the refrigerant C、C.less than a full charge of refrigerant in the system D、D.ice crystals forming in the refrigerant
A、A.increasing refrigerant pressure in the coil B、B.increasing chilled water flow through the cooler C、C.sub-cooling the refrigerant in the condenser D、D.superheating the refrigerant in the compressor
A、refrigerant pressure in the evaporator B、cooling water temperature to the condenser C、heat load in the refrigerator compartment D、solenoid valve in the liquid line
A、restriction in refrigerant piping B、air and non-condensable gases in the condenser C、water in the refrigerant D、flooding back of liquid refrigerant from the evaporator
A、remove any air that may accumulate in the system B、take out unpleasant fumes from the refrigerant C、vent off excess refrigerant in an emergency D、permit opening the refrigerating system for cleaning and inspecting
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、a shortage of compressor oil B、warm food in the refrigerator C、excessive condenser cooling water D、a shortage of refrigerant
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
A、passing it through the expansion valve B、condensing refrigerant in the system condenser C、passing the gaseous refrigerant through the heat interchanger on the suction side of the compressor D、maintaining a high pressure on the systems receiver
A、excessive condenser cooling water B、warm food in the refrigerator C、a shortage of refrigerant D、s shortage of compressor oil
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