Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 14°C 5°C 8°C 22°C 14°C 5°C 8°C 22°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases heat transfer Increases power consumption Reduces power consumption Improves C.O.P. of the system Increases heat transfer Increases power consumption Reduces power consumption Improves C.O.P. of the system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Increase in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease 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 Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases None of these Decreases Remains constant Increases None of these Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigerator works on Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle None of these Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 4.33 2.33 1.33 3.33 4.33 2.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
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