Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 20 to 50°C None of these 50 to 70°C 70 to 110°C 20 to 50°C None of these 50 to 70°C 70 to 110°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Lower in winter than in summer Not dependent on season Same in winter and summer Higher in winter than in summer Lower in winter than in summer Not dependent on season Same in winter and summer Higher in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Wet vapour region None of the listed here Sub-cooled liquid region Superheated vapour region Wet vapour region None of the listed here Sub-cooled liquid region Superheated vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is None of these Positive Zero Negative None of these Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow All of these Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow All of these ANSWER DOWNLOAD EXAMIANS APP
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