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? 0.25 1.25 0.5 0.8 0.25 1.25 0.5 0.8 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.)P = ( O.P.)R + 1 O.P)R - 1 O.P)R ( O.P.)P = ( ( O.P.)R + 2 ( O.P)P = ( ( O.P)P = ( O.P.)P = ( O.P.)R + 1 O.P)R - 1 O.P)R ( O.P.)P = ( ( O.P.)R + 2 ( O.P)P = ( ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dry bulb temperature Wet bulb temperature Dew point temperature Relative humidity Dry bulb temperature Wet bulb temperature Dew point temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Ineffective refrigeration Freezing automatic regulating valve High power consumption Corrosion of whole system Ineffective refrigeration Freezing automatic regulating valve High power consumption Corrosion of whole system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases All of these Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases All of these ANSWER DOWNLOAD EXAMIANS APP
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