Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases 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 3 4 43833 43834 3 4 43833 43834 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. DX coil None of these Dry Flooded DX coil None of these Dry Flooded ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point High operating pressures and low freezing point Low C.O.P. and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point High operating pressures and low freezing point 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 ( 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 If a gas is to be liquefied, its temperature must be Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature ANSWER DOWNLOAD EXAMIANS APP
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