Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is

2. Freon group of refrigerants are

3. Critical temperature is the temperature above which

4. The domestic refrigerator uses following type of compressor

5. In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

6. The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration

7. The capillary tube, as an expansion device, is used in

8. The condition of refrigerant after passing through the condenser in a vapour compression system is

9. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be

10. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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