Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.5 0.8 1.25 0.25 0.5 0.8 1.25 0.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Bigger cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used Bigger cabinet should be used Perfectly tight vapour seal should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used 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 - T₁)/T₁ T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during heating and humidification process. Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Non-inflammable and toxic Inflammable Toxic Nontoxic and non-inflammable Non-inflammable and toxic Inflammable Toxic Nontoxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Greater than Less than Equal to None of the listed here Greater than Less than Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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