Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant is dry saturated vapour

Before entering the condenser
After leaving the condenser
Before entering the compressor
After leaving the compressor

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Refrigeration and Air Conditioning
For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then

Refrigerant with lower evaporation temperature should be used
Bigger cabinet should be used
Perfectly tight vapour seal should be used
Smaller cabinet should be used

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Refrigeration and Air Conditioning
It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be

Dehumidification
Cooling and dehumidification
Dehumidification and pure sensible cooling
Cooling and humidification

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