Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Ammonia vapours to weak solution Strong solution to weak solution Strong solution to ammonia vapour Weak solution to strong solution Ammonia vapours to weak solution Strong solution to weak solution Strong solution to ammonia vapour Weak solution to strong solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system Increases power consumption Reduces power consumption Increases heat transfer Improves C.O.P. of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 NH3 CO2 Freon-12 Freon-22 NH3 CO2 Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and increase in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is O.P/3.5 3.5/C.O.P. None of these 3.5 × C.O.P. O.P/3.5 3.5/C.O.P. None of these 3.5 × C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) Reversed Carnot cycle None of these Bell Coleman cycle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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