Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Evaporator Compressor Condenser Expansion valve Evaporator Compressor Condenser Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Bootstrap air cooling system Simple air cooling system Regenerative air cooling system Reduced ambient air cooling system Bootstrap air cooling system Simple air cooling system Regenerative air cooling system Reduced ambient air cooling system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 4.33 1.33 2.33 3.33 4.33 1.33 2.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In Electrolux refrigerator Ammonia is absorbed in water Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia evaporates in hydrogen Ammonia is absorbed in water Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia evaporates in hydrogen 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 9: 1 1: 9 1: 1 1: 3 9: 1 1: 9 1: 1 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. ANSWER DOWNLOAD EXAMIANS APP