Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Dry saturated vapour Saturated liquid Superheated vapour Wet vapour Dry saturated vapour Saturated liquid Superheated vapour Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 50 to 70°C 20 to 50°C None of these 70 to 110°C 50 to 70°C 20 to 50°C None of these 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 boiling point of ammonia is -77.7°C -10.5°C -33.3°C -30°C -77.7°C -10.5°C -33.3°C -30°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.5 0.25 0.1 0.75 0.5 0.25 0.1 0.75 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It gives higher coefficient of performance It is miscible with oil over large range of temperatures All of these It has low operating pressures It gives higher coefficient of performance It is miscible with oil over large range of temperatures All of these It has low operating pressures ANSWER DOWNLOAD EXAMIANS APP