Refrigeration and Air Conditioning The capacity of a domestic refrigerator is in the range of 0.1 to 0.3 TR 5 to 7 TR 3 to 5 TR 1 to 3 TR 0.1 to 0.3 TR 5 to 7 TR 3 to 5 TR 1 to 3 TR ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Equal to atmospheric pressure Lower than atmospheric pressure Could be anything Higher than atmospheric pressure Equal to atmospheric pressure Lower than atmospheric pressure Could be anything Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Smaller cabinet should be used Refrigerant with lower evaporation temperature should be used Perfectly tight vapour seal should be used Bigger cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Water temperature being high Lack of cooling water Dirty condenser surface All of these Water temperature being high Lack of cooling water Dirty condenser surface All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Specific humidity increases Relative humidity remains constant Partial pressure of vapour remains constant Wet bulb temperature increases Specific humidity increases Relative humidity remains constant Partial pressure of vapour remains constant Wet bulb temperature increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases, Will be higher Will remain unaffected Will be lower May be higher or lower depending upon the nature of non-condensable gases Will be higher Will remain unaffected Will be lower May be higher or lower depending upon the nature of non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
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