Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Critical pressure Discharge pressure Suction pressure Back pressure Critical pressure Discharge pressure Suction pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification None of these Decreases Remains constant Increases None of these Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.8 0.5 0.25 1.25 0.8 0.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-11 Ammonia R-12 R-22 R-11 Ammonia R-12 R-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to Superheat the vapour Collect liquid refrigerant and prevent it from going to compressor Collect vapours Detect liquid in vapour Superheat the vapour Collect liquid refrigerant and prevent it from going to compressor Collect vapours Detect liquid in vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 4.33 3.33 1.33 2.33 4.33 3.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
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