Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration High heat transfer rate Higher coefficient of performance Low temperature at high altitudes Low weight per tonne of refrigeration 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 Orange Red Yellow Bright green Orange Red Yellow Bright green 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 + 2 O.P)R ( O.P)R - 1 ( O.P)P = ( O.P)P = ( O.P.)P = ( O.P.)R + 1 ( ( O.P.)P = ( O.P.)R + 2 O.P)R ( O.P)R - 1 ( O.P)P = ( O.P)P = ( O.P.)P = ( O.P.)R + 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means All of these Dehumidifying Cooling Heating All of these Dehumidifying Cooling Heating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a lithium bromide absorption refrigeration system Lithium bromide is used as a refrigerant and water as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent Lithium bromide is used as a refrigerant and water as an absorbent Ammonia is used as a refrigerant and lithium bromide as an absorbent None of these Water is used as a refrigerant and lithium bromide as an absorbent ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these It results in high volumetric and mechanical efficiency It permits complete evaporation in the evaporator It permits higher speeds to be used All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS