Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Compression Absorption Direct Indirect Compression Absorption Direct Indirect 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 dehumidified Heated and humidified Heated and dehumidified Cooled and humidified Cooled and dehumidified Heated and humidified Heated and dehumidified Cooled and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Carnot cycle Reversed Carnot cycle Brayton cycle Rankine’s cycle Carnot cycle Reversed Carnot cycle Brayton cycle Rankine’s cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Specific volume and enthalpy Temperature, pressure, specific volume and enthalpy Temperature, pressure and enthalpy Temperature and enthalpy Specific volume and enthalpy Temperature, pressure, specific volume and enthalpy Temperature, pressure and enthalpy Temperature and enthalpy 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) 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg 25 kJ/kg 50 kJ/kg 100 kJ/kg 125 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called High side float valve Thermostatic expansion valve Low side float valve Automatic expansion valve High side float valve Thermostatic expansion valve Low side float valve Automatic expansion valve ANSWER DOWNLOAD EXAMIANS APP
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