Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

2. The vapour compression refrigerator employs the following cycle

3. In a lithium bromide absorption refrigeration system

4. Cooling water is required for following equipment in ammonia absorption plant

5. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be

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

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

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

9. The domestic refrigerator uses following type of compressor

10. Freon group of refrigerants are


 

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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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