Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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1. The heat rejection factor (HRF) is given by

2. The emissivity of a polished silver body is _________ as compared to black body.

3. When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

4. In a reversed Brayton cycle, the heat is absorbed by the air during

5. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is

6. The process, generally used in summer air conditioning to cool and dehumidify the air, is called

7. Which of the following refrigerant is highly toxic and flammable?

8. The relative coefficient of performance is equal to

9. The human body feels comfortable when the heat stored in the body is

10. A refrigerant compressor is used to


 

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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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