Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. Critical temperature is the temperature above which

2. The value of C.O.P in vapour compression cycle is usually

3. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

4. The vapour compression refrigerator employs the following cycle

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

6. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

7. Most thermostatic expansion valves are set for a superheat of

8. The freezing point of sulphur dioxide is

9. Freon group of refrigerants are

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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