Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Is lower than that of the entering air Is higher than that of the entering air Can be lower or higher than that of the entering air None of the listed here Is lower than that of the entering air Is higher than that of the entering air Can be lower or higher than that of the entering air None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 840 kJ/ min 21 kJ/ min 210 kJ/ min 420 kJ/ min 840 kJ/ min 21 kJ/ min 210 kJ/ min 420 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Always more than unity Any one of the above Equal to unity Always less than unity Always more than unity Any one of the above Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Vertical lines on pressure-enthalpy chart show constant Pressure lines Temperature lines Entropy lines Total heat lines Pressure lines Temperature lines Entropy lines Total heat lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 22°C DBT and 60% RH 25°C DBT and 100% RH 20°C DBT and 80% RH 25°C DBT and 40% RH 22°C DBT and 60% RH 25°C DBT and 100% RH 20°C DBT and 80% RH 25°C DBT and 40% RH 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 3 4 43834 43833 3 4 ANSWER DOWNLOAD EXAMIANS APP