Refrigeration and Air Conditioning The COP of a domestic refrigerator Is equal to 1 Depends upon the make Is less than 1 Is more than 1 Is equal to 1 Depends upon the make Is less than 1 Is more than 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-12 R-22 R-11 Ammonia R-12 R-22 R-11 Ammonia ANSWER DOWNLOAD EXAMIANS APP
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 + 1 O.P)P = ( ( O.P.)P = ( ( O.P.)P = ( O.P.)R + 2 ( O.P)P = ( O.P)R - 1 O.P)R ( O.P.)R + 1 O.P)P = ( ( O.P.)P = ( ( O.P.)P = ( O.P.)R + 2 ( O.P)P = ( O.P)R - 1 O.P)R ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Much above critical pressure Much below critical pressure Near critical pressure Critical pressure of refrigerant Much above critical pressure Much below critical pressure Near critical pressure Critical pressure of refrigerant 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 Generator Liquid pump Absorber, generator and liquid pump Absorber and generator Generator Liquid pump Absorber, generator and liquid pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
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