Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Carbon dioxide Lithium bromide Sulphur dioxide R-12 Carbon dioxide Lithium bromide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in Evaporator Absorber None of these Condenser Evaporator Absorber None of these Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Absorber and generator Liquid pump Absorber, generator and liquid pump Generator Absorber and generator Liquid pump Absorber, generator and liquid pump Generator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Isentropic compression process Constant pressure expansion process Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process Constant pressure cooling process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be High Low Any value Optimum High Low Any value Optimum 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 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 Smaller cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
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