Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)R ( O.P.)R + 2 ( O.P)R - 1 O.P.)P = ( O.P.)P = ( O.P)P = ( ( ( O.P.)R + 1 O.P)P = ( O.P)R ( O.P.)R + 2 ( O.P)R - 1 O.P.)P = ( O.P.)P = ( O.P)P = ( ( ( O.P.)R + 1 O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An important characteristic of absorption system of refrigeration is noisy operation cooling below 0°C quiet operation very little power consumption noisy operation cooling below 0°C quiet operation very little power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in None of these Absorber Condenser Evaporator None of these Absorber Condenser Evaporator 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 High side float valve Automatic expansion valve Low side float valve Thermostatic expansion valve High side float valve Automatic expansion valve Low side float valve Thermostatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle None of these Increases C.O.P. Decreases C.O.P. Does not alter C.O.P. None of these Increases C.O.P. Decreases C.O.P. Does not alter C.O.P. ANSWER DOWNLOAD EXAMIANS APP