Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Decreases C.O.P Increases C.O.P Other factors decide C.O.P O.P remains unaltered Decreases C.O.P Increases C.O.P Other factors decide C.O.P O.P remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 5.12 2.15 1 1.25 5.12 2.15 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Very little work input Zero work input Maximum work input Nearly same work input as for vapour compression cycle Very little work input Zero work input Maximum work input Nearly same work input as for vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour After passing through the expansion or throttle valve Before entering the compressor After passing through the condenser Before passing through the condenser After passing through the expansion or throttle valve Before entering the compressor After passing through the condenser Before passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Screw Centrifugal Rotating Reciprocating Screw Centrifugal Rotating Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Air refrigeration cycle None of the listed here Vapour absorption cycle Vapour compression cycle Air refrigeration cycle None of the listed here Vapour absorption cycle Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
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