Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Could be anything Lower than atmospheric pressure Higher than atmospheric pressure Equal to atmospheric pressure Could be anything Lower than atmospheric pressure Higher than atmospheric pressure Equal to atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Compression Evaporation Expansion Condensation Compression Evaporation Expansion Condensation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of Atmospheric pressure 24 bars 56 bars Slightly above atmospheric pressure Atmospheric pressure 24 bars 56 bars Slightly above atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) 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)P = ( O.P.)R + 1 O.P.)R + 2 ( O.P)R O.P.)P = ( O.P)R - 1 O.P.)P = ( O.P)P = ( ( ( ( O.P)P = ( O.P.)R + 1 O.P.)R + 2 ( O.P)R O.P.)P = ( O.P)R - 1 O.P.)P = ( O.P)P = ( ( ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An important characteristic of absorption system of refrigeration is very little power consumption noisy operation cooling below 0°C quiet operation very little power consumption noisy operation cooling below 0°C quiet operation ANSWER DOWNLOAD EXAMIANS APP
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