Refrigeration and Air Conditioning In Electrolux refrigerator Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen Hydrogen evaporates in ammonia Ammonia is absorbed in hydrogen Ammonia is absorbed in water Ammonia evaporates in hydrogen 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 During sensible cooling of air, specific humidity Decreases Remains constant None of the listed here Increases Decreases Remains constant None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Very wet vapour Wet vapour High pressure saturated liquid Dry vapour Very wet vapour Wet vapour High pressure saturated liquid Dry vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point Low C.O.P. and low freezing point High latent heat of vaporisation and low freezing point High specific volume and high latent heat of vaporisation High operating pressures and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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