Refrigeration & Air-Conditioning Practice Set-3

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1. In a lithium bromide absorption refrigeration system

2. Which of the following statement is correct?

3. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

4. For obtaining high COP, the pressure range of compressor should be

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

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

7. The operating pressure for refrigerating units using R-12 as a refrigerant is

8. A bootstrap air cooling system has

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

10. Which of the following is not a desirable property of a refrigerant?


 

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Arbaj 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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