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题目
If the superheat value of a thermostatic expansion valve is set too low, the _.
A.the suction line will be abnormally cold and liquid may slug back to the compressor
B.the suction line will be hot due to a reduced amount of refrigerant returning to the compressor
C.the temperature of the refrigerant within the condenser will remain the same
D.the temperature of the refrigerant passing through the sub-cooler will decrease
更多“If the superheat value of a thermostatic expansion valve is set too low, the _.A.the sucti”相关的问题
第1题
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
第2题
A.evaporator pressure decrease
B.evaporator coil over-feed
C.evaporator capacity increase
D.expansion valve diaphragm rupture
第3题
The expansion valve used in a refrigeration system regulates the
A.superheat of the gas leaving the compressor
B.back pressure in the evaporator
C.temperature in the refrigerated space
D.degree of superheat of the gas leaving the evaporator
第4题
When the refrigeration demand is small,_______.
A.the expansion valve will move toward the wide open position
B.the expansion valve will move toward the closing position
C.the feeler bulb will conveys the high temperature
D.the superheat degree will raise
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