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 first heat exchanger and the secondary compressor Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger Between the secondary compressor and the second heat exchanger Between the first heat exchanger and the secondary compressor Between the second heat exchanger and the cooling turbine Between the combustion chamber and the first heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P.)R + 1 ( O.P)R O.P.)P = ( O.P)R - 1 O.P)P = ( O.P.)R + 2 ( ( ( O.P)P = ( O.P.)P = ( O.P.)R + 1 ( O.P)R O.P.)P = ( O.P)R - 1 O.P)P = ( O.P.)R + 2 ( ( ( O.P)P = ( O.P.)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Increase cooling effect Reduce compressor discharge temperature Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Increase cooling effect Reduce compressor discharge temperature Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating 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 Heated and humidified Cooled and humidified Heated and dehumidified Cooled and dehumidified Heated and humidified Cooled and humidified Heated and dehumidified Cooled and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Good electrical conductor High risibility with oil Low boiling point Large latent heat Good electrical conductor High risibility with oil Low boiling point Large latent heat ANSWER DOWNLOAD EXAMIANS APP
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