Refrigeration and Air Conditioning The capacity of a domestic refrigerator is in the range of 0.1 to 0.3 TR 3 to 5 TR 1 to 3 TR 5 to 7 TR 0.1 to 0.3 TR 3 to 5 TR 1 to 3 TR 5 to 7 TR 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: 1 1: 9 1: 3 9: 1 1: 1 1: 9 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 100 kJ/kg 50 kJ/kg 25 kJ/kg 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg 125 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Depends upon the make Is more than 1 Is less than 1 Is equal to 1 Depends upon the make Is more than 1 Is less than 1 Is equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in Condenser Evaporator Absorber None of these Condenser Evaporator Absorber None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidification process, on the psychrometric chart is shown by Vertical line Curved line Horizontal line Inclined line Vertical line Curved line Horizontal line Inclined line ANSWER DOWNLOAD EXAMIANS APP