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GATE ME 2022: Refrigeration & Air conditioning
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Question 1
A refrigerator working on Bell Coleman Cycle operates between pressure limits of 1 bar and 9 bar. The air standard COP is
Question 2
If bypass factor is B, then coil efficiency is –
Question 3
The efficiency of a Reversed Carnot engine is 65%. If the direction of cycle is reversed, then the value of COP of reversed Carnot cycle will be:
Question 4
Moist air is treated as an ideal gas mixture of water vapor and dry air (molecular weight of air = 28.84 and molecular weight of water = 18). At a location, the total pressure is 100 kPa, the temperature is 30 °C and the relative humidity is 55%. Given that the saturation pressure of water at 30 °C is 4246 Pa, the mass of water vapor per kg of dry air is _____________ grams
Question 5
Which of the following is true for Refrigerants
Question 6
The process of super-heating in a refrigeration cycle
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Jun 23ESE & GATE ME
