Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1/ B.P.F. 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. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Super-cooling Normal cooling Sub-cooling or under-cooling None of the listed here Super-cooling Normal cooling Sub-cooling or under-cooling None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Equal to unity Any one of the above Always more than unity Always less than unity Equal to unity Any one of the above Always more than unity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Expansion valve Evaporator Compressor Condenser Expansion valve Evaporator Compressor Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature Tow specific heat of liquid High latent heat of vaporisation High boiling point Higher critical temperature ANSWER DOWNLOAD EXAMIANS APP
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