Refrigeration and Air Conditioning Air refrigerator works on Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) 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 125 kJ/kg 50 kJ/kg 25 kJ/kg 100 kJ/kg 125 kJ/kg 50 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Compression Expansion Condensation Evaporation Compression Expansion Condensation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser Condenser, absorber and separator (rectifier) Evaporator Absorber Condenser Condenser, absorber and separator (rectifier) Evaporator Absorber ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling of air, specific humidity Decreases None of the listed here Remains constant Increases Decreases None of the listed here Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Ammonia Freon Aqua-ammonia Water Ammonia Freon Aqua-ammonia ANSWER DOWNLOAD EXAMIANS APP
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