Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 1: 9 9: 1 1: 1 1: 3 1: 9 9: 1 1: 1 1: 3 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Water Aqua-ammonia Ammonia Freon Water Aqua-ammonia Ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the Expansion valve to the evaporator Evaporator to the thermostat Condenser to the evaporator Condenser to the expansion valve Expansion valve to the evaporator Evaporator to the thermostat Condenser to the evaporator Condenser to the expansion valve 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? 1.25 0.25 0.5 0.8 1.25 0.25 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Saturated liquid Liquid Wet vapour Sub-cooled liquid Saturated liquid Liquid Wet vapour Sub-cooled liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to (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 (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
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