Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 60% RH 26°C DBT and 50% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on None of these Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) None of these Reversed Carnot cycle Bell Coleman cycle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be None of these Increased to a value above its critical temperature Equal to critical temperature Reduced to a value below its critical temperature None of these Increased to a value above its critical temperature Equal to critical temperature Reduced to a value below its critical temperature 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)R - 1 O.P)P = ( ( O.P)R ( ( O.P.)R + 2 O.P)P = ( O.P.)R + 1 O.P.)P = ( ( O.P.)P = ( O.P)R - 1 O.P)P = ( ( O.P)R ( ( O.P.)R + 2 O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43833 3 43834 4 43833 3 43834 4 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Theoretical COP/actual COP None of these Actual COP × theoretical COP Actual COP/theoretical COP Theoretical COP/actual COP None of these Actual COP × theoretical COP ANSWER DOWNLOAD EXAMIANS APP
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