Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Bell Coleman Ericson Stirling Carnot Bell Coleman Ericson Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is None of these 50 to 70°C 20 to 50°C 70 to 110°C None of these 50 to 70°C 20 to 50°C 70 to 110°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-11 R-22 Ammonia R-12 R-11 R-22 Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A bootstrap air cooling system has Two heat exchangers Four heat exchangers Three heat exchangers One heat exchanger Two heat exchangers Four heat exchangers Three heat exchangers One heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant None of these High pressure liquid refrigerant Low pressure liquid and vapour refrigerant Low pressure vapour refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
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