Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Air CO2 Freon-11 Freon-22 Air CO2 Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. 1 - B.P.F. P.F. - 1 1/ B.P.F. 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 60% RH 20°C DBT and 50% RH 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 Dry bulb temperature Wet bulb temperature None of these Dew point temperature Dry bulb temperature Wet bulb temperature None of these Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Degree of saturation Dew point depression Wet bulb depression Dry bulb depression Degree of saturation Dew point depression Wet bulb depression Dry bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance Coefficient of performance of heat pump Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP