Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? CO2 NH3 Freon-12 Freon-22 CO2 NH3 Freon-12 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The condition of refrigerant after passing through the condenser in a vapour compression system is Wet vapour Dry saturated vapour Saturated liquid Superheated vapour Wet vapour Dry saturated vapour Saturated liquid Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) None of these (Theoretical C.O.P.)/ (Actual C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Aluminium Copper Steel Brass Aluminium Copper Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Brine Carbon dioxide Ammonia Freon Brine Carbon dioxide Ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
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