Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Vapour compression Carnot cycle Vapour absorption Electrolux refrigerator Vapour compression Carnot cycle Vapour absorption Electrolux refrigerator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is None of these Negative Zero Positive None of these Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Can be lower or higher than that of the entering air None of the listed here Is lower than that of the entering air Is higher than that of the entering air Can be lower or higher than that of the entering air None of the listed here Is lower than that of the entering air Is higher than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Freon Aqua-ammonia Ammonia Water Freon Aqua-ammonia Ammonia Water 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 125 kJ/kg 25 kJ/kg 100 kJ/kg 50 kJ/kg 125 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is None of these 20 to 50°C 70 to 110°C 50 to 70°C None of these 20 to 50°C 70 to 110°C 50 to 70°C ANSWER DOWNLOAD EXAMIANS APP
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