Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Evaporation Condensation Compression Expansion Evaporation Condensation Compression Expansion ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor All of these Heat of compression Enthalpy increase in compressor Work done by compressor All of these Heat of compression Enthalpy increase in compressor 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 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 If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be More/less depending on rating Less Same More More/less depending on rating Less Same More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Nontoxic and non-inflammable Inflammable Toxic Non-inflammable and toxic Nontoxic and non-inflammable Inflammable Toxic Non-inflammable and toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume Takes place at constant entropy Takes place at constant temperature Takes place at constant pressure Involves no change in volume ANSWER DOWNLOAD EXAMIANS APP