Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 1.2 0.2 5 6 1.2 0.2 5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is Ammonia R-22 R-12 R-11 Ammonia R-22 R-12 R-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Capacity control is not possible Cost is too high It is made of copper Required pressure drop cannot be achieved Capacity control is not possible Cost is too high It is made of copper Required pressure drop cannot be achieved ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Condensation Compression Evaporation Expansion Condensation Compression Evaporation Expansion ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be A mixture of liquid and vapour refrigerant Superheated vapour refrigerant Dry saturated liquid refrigerant None of these A mixture of liquid and vapour refrigerant Superheated vapour refrigerant Dry saturated liquid refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In mechanical refrigeration system, the refrigerant has the maximum temperature Before expansion valve Between condenser and evaporator In evaporator Between compressor and condenser Before expansion valve Between condenser and evaporator In evaporator Between compressor and condenser ANSWER DOWNLOAD EXAMIANS APP
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