Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP/theoretical COP Actual COP × theoretical COP None of these Theoretical COP/actual COP Actual COP/theoretical COP Actual COP × theoretical COP None of these Theoretical COP/actual COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The humidification process, on the psychrometric chart is shown by Horizontal line Curved line Vertical line Inclined line Horizontal line Curved line Vertical line Inclined line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Compression Absorption Indirect Direct Compression Absorption Indirect Direct ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is All of these High latent heat of vaporisation Low boiling point High critical temperature All of these High latent heat of vaporisation Low boiling point High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It is toxic to mucous membranes. All of these It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. All of these It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
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