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 A refrigerant compressor is used to Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant All of these Raise the temperature of the refrigerant Circulate the refrigerant through the refrigerating system Raise the pressure of the refrigerant All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Sub-cooled liquid Liquid Saturated liquid Wet vapour Sub-cooled liquid Liquid Saturated liquid Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at higher speeds Raising the higher temperature Operating the machine at lower speeds Lowering the higher temperature Operating the machine at higher speeds Raising the higher temperature Operating the machine at lower speeds Lowering the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Evaporator tubes Condenser tubes Capillary tubes Refrigerant cooling tubes Evaporator tubes Condenser tubes Capillary tubes Refrigerant cooling tubes ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -77.7°C -56.6°C -75.2°C -135.8°C -77.7°C -56.6°C -75.2°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP