Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is equal to 1 Is less than 1 Is more than 1 Depends upon the make Is equal to 1 Is less than 1 Is more than 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called None of these Wet bulb temperature Dry bulb temperature Dew point temperature None of these Wet bulb temperature Dry bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = V²/t.cp NN = hl/k NN = μ cp/k NN = ρ V l /μ NN = V²/t.cp NN = hl/k NN = μ cp/k ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Dew point depression Degree of saturation Wet bulb depression Dry bulb depression Dew point depression Degree of saturation Wet bulb depression Dry bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system Simple air cooling system Reduced ambient air cooling system Bootstrap air cooling system Regenerative air cooling system ANSWER DOWNLOAD EXAMIANS APP