Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Specific Absolute None of these Relative Specific Absolute None of these Relative 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) T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ T₂/ (T₂ - T₁) (T₁ - T₂)/T₁ T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Isentropic compression process Constant pressure expansion process Isentropic expansion process Constant pressure cooling process Isentropic compression process Constant pressure expansion process Isentropic expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? Low boiling point Good electrical conductor Large latent heat High risibility with oil Low boiling point Good electrical conductor Large latent heat High risibility with oil ANSWER DOWNLOAD EXAMIANS APP
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