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GATE ME 2022: Refrigeration & Air conditioning - 5
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Question 1
If air is heated without changing its moisture content, the dew point will ___________.
Question 2
Ammonia is one of the oldest refrigerants, which is still used widely, because:
Question 3
COP of Carnot refrigerator operating between -3 ºC and 27 ºC is ________.
Question 4
Ambient air is at a pressure of 100 kPa, dry bulb temperature of 30oC and 60% relative humidity. The saturation pressure of water at 30oC is 4.24 kPa. The specific humidity of air (in g/kg of dry air) is __________ (correct to two decimal places).
Question 5
In a certain ideal refrigeration cycle, the COP of the refrigerator is 3. The cycle under ideal conditions running as heat engine will have efficiency equals to
Question 6
A carnot refrigerator operates between the thermal reservoirs at -250C and 350C. If the capacity of the unit s 5 tons of refrigeration, determine the power consumed by the refrigerator ________(in kW).
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Jul 9ESE & GATE ME
