Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant temperature lines Constant entropy lines Constant pressure lines Constant total heat lines Constant temperature lines Constant entropy lines Constant pressure lines Constant total heat lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) T₁ / (T₂ - T₁) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will evaporate A gas will never liquefy A gas will immediately liquefy Water will never evaporate Water will evaporate A gas will never liquefy A gas will immediately liquefy Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents Smelling Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Using reagents 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 Cooled and humidified Heated and dehumidified Cooled and dehumidified Heated and humidified Cooled and humidified Heated and dehumidified ANSWER DOWNLOAD EXAMIANS APP
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