Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Ammonia Freon-11 CO2 Freon-22 Ammonia Freon-11 CO2 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 2 bar 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One tonne of refrigeration (1TR) means that the heat removing capacity is 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min 21 kJ/min 620 kJ/min 210 kJ/min 420 kJ/min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has 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 Two cooling turbines and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 3 1: 1 9: 1 1: 9 1: 3 1: 1 9: 1 1: 9 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Evaporator tubes Refrigerant cooling tubes Capillary tubes Condenser tubes Evaporator tubes Refrigerant cooling tubes Capillary tubes Condenser tubes ANSWER DOWNLOAD EXAMIANS APP