Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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1. In a vapour compression refrigeration system, a throttle valve is used in place of an expander because

2. The dehumidification process, on the psychrometric chart, is shown by

3. A refrigerant with the highest critical pressure is

4. In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the

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

6. The central air conditioning system has ___________ overall efficiency as compared to individual systems.

7.  The vertical and uniformly spaced lines on a psychrometric chart indicates

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

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

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


 

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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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