Refrigeration and Air Conditioning The Freon group of refrigerants are Inorganic refrigerants Halocarbon refrigerants Hydrocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Halocarbon refrigerants Hydrocarbon refrigerants Zoetrope refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -86.6°C -107.7°C -95.2°C -135.8°C -86.6°C -107.7°C -95.2°C -135.8°C 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? 0.5 1.25 0.8 0.25 0.5 1.25 0.8 0.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is equal to 1 Depends upon the make Is less than 1 Is more than 1 Is equal to 1 Depends upon the make Is less than 1 Is more than 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning R-12 is generally preferred over R-22 in deep freezers since It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures All of these It gives higher coefficient of performance It has low operating pressures It is miscible with oil over large range of temperatures All of these ANSWER DOWNLOAD EXAMIANS APP
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