Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. More than Equal to None of these Less than More than Equal to None of these Less than 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 Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-22 Freon-11 CO2 Air Freon-22 Freon-11 CO2 Air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression refrigeration system, refrigerant occurs as liquid between Compressor and evaporator Condenser and expansion valve Expansion valve and evaporator Compressor and condenser Compressor and evaporator Condenser and expansion valve Expansion valve and evaporator Compressor and condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation High critical temperature All of these Low boiling point High latent heat of vaporisation High critical temperature All of these Low boiling point 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
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