Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.5 1.25 0.25 0.8 0.5 1.25 0.25 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 ( O.P)R - 1 O.P)P = ( O.P.)P = ( ( O.P.)R + 1 O.P.)R + 2 ( O.P)P = ( ( O.P.)P = ( O.P)R ( O.P)R - 1 O.P)P = ( O.P.)P = ( ( O.P.)R + 1 O.P.)R + 2 ( O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows 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 43834 43833 4 3 43834 43833 4 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Detect liquid in vapour Collect vapours Superheat the vapour Collect liquid refrigerant and prevent it from going to compressor Detect liquid in vapour Collect vapours Superheat the vapour Collect liquid refrigerant and prevent it from going to compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Dry bulb temperature Relative humidity Wet bulb temperature Dew point temperature Dry bulb temperature Relative humidity Wet bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
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