Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low High Same Very low Low High Same Very low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) None of these (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) (Actual C.O.P.) × (Theoretical C.O.P.) None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigeration system Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption Gives quiet operation Cools below 0°C Gives noisy operation Requires little power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle Both (A) and (B) Bell Coleman cycle None of these Reversed Carnot cycle 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 is miscible with oil over large range of temperatures It has low operating pressures All of these It gives higher coefficient of performance It is miscible with oil over large range of temperatures It has low operating pressures All of these ANSWER DOWNLOAD EXAMIANS APP
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