Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Optimum High Any value Low Optimum High Any value Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Automatic expansion valve High side float valve Low side float valve Thermostatic expansion valve Automatic expansion valve High side float valve Low side float valve Thermostatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 + C.O.P 1 - C.O.P. 1 - (1/C.O.P) 1 + (1/C.O.P) 1 + C.O.P 1 - C.O.P. 1 - (1/C.O.P) 1 + (1/C.O.P) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant for a refrigerator should have High sensible heat High total heat High latent heat Low latent heat High sensible heat High total heat High latent heat Low latent heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 5.12 1 2.15 1.25 5.12 1 2.15 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Maximum work input Zero work input Nearly same work input as for vapour compression cycle Very little work input Maximum work input Zero work input Nearly same work input as for vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP