Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Decreases None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Orange Yellow Red Bright green Orange Yellow Red ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the right of saturated liquid line To the left of saturated liquid line None of these Between the saturated liquid line and saturated vapour line To the right of saturated liquid line To the left of saturated liquid line None of these Between the saturated liquid line and saturated vapour line 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) 50 kJ/kg 25 kJ/kg 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg 125 kJ/kg 100 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Rankine cycle Reversed Otto cycle Reversed Joule cycle Reversed Carnot cycle Reversed Rankine cycle Reversed Otto cycle Reversed Joule cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP