Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/hK m²/h m/hK m/h m²/hK m²/h m/hK m/h ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Aqua-ammonia Water Ammonia Freon Aqua-ammonia Water Ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Absolute Relative None of these Specific Absolute Relative None of these Specific ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₁/(T₂ - T₁) (T₁ - T₂)/T₁ T₂/(T₂ - T₁) (T₂ - T₁)/T₁ T₁/(T₂ - T₁) (T₁ - T₂)/T₁ T₂/(T₂ - T₁) (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Brayton cycle Reversed Carnot cycle Reversed Otto cycle Reversed Joule cycle Reversed Brayton cycle Reversed Carnot cycle Reversed Otto cycle Reversed Joule cycle ANSWER DOWNLOAD EXAMIANS APP
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