Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min 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 + 2 ( O.P)R O.P)R - 1 O.P.)P = ( O.P.)R + 1 O.P)P = ( O.P.)P = ( ( ( O.P)P = ( ( O.P.)R + 2 ( O.P)R O.P)R - 1 O.P.)P = ( O.P.)R + 1 O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Effective temperature None of the listed here Dew point temperature Mean radiant temperature Effective temperature None of the listed here Dew point temperature Mean radiant temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Orange Red Yellow Bright green Orange Red Yellow ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Very little work input Maximum work input Zero work input Nearly same work input as for vapour compression cycle Very little work input Maximum work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified ANSWER DOWNLOAD EXAMIANS APP
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