Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The domestic refrigerator uses following type of compressor

2. The vapour compression refrigerator employs the following cycle

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

4. In a refrigeration system, heat absorbed in comparison to heat rejected is

5. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

6. Highest temperature encountered in refrigeration cycle should be

7. Which of the following cycles uses air as the refrigerant?

8. A thermostatic expansion valve in a refrigeration system

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

10. Rating of a domestic refrigerator is of the order of


 

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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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