Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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

2. During a refrigeration cycle, heat is rejected by the refrigerant in a

3. A refrigerant compressor is used to

4. The refrigerant used in small tonnage commercial machines (hermetically sealed units) is

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

6. A refrigerant with the highest critical pressure is

7. In a vapour compression system, the condition of refrigerant is dry saturated vapour

8. The leakage in a refrigeration system using ammonia is detected by

9. Most air cooled condensers are designed to operate with a temperature difference of

10. The difference between dry bulb temperature and dew point temperature, is called


 

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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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