Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.75 0.25 0.1 0.5 0.75 0.25 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) P.F. - 1 1 - B. P.F. 1 + B.P.F. 1/ B.P.F. P.F. - 1 1 - B. P.F. 1 + B.P.F. 1/ B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always more than unity Always less than unity Equal to unity Any one of the above Always more than unity Always less than unity Equal to unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is Centrifugal Rotating Screw Reciprocating Centrifugal Rotating Screw Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Bell Coleman Carnot Stirling Ericson Bell Coleman Carnot Stirling Ericson ANSWER DOWNLOAD EXAMIANS APP
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