Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? Ammonia R-22 R-11 R-12 Ammonia R-22 R-11 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a bootstrap air evaporative cooling system, the evaporator is provided Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the first heat exchanger and the secondary compressor Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger Between the second heat exchanger and the cooling turbine Between the first heat exchanger and the secondary compressor Between the combustion chamber and the first heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Carbon dioxide is Non-flammable Odourless Colourless All of the listed here Non-flammable Odourless Colourless All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Positive Zero None of the listed here Negative Positive Zero None of the listed here Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Rubber Iron Lead Aluminium Rubber Iron Lead ANSWER DOWNLOAD EXAMIANS APP
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