Refrigeration & Air-Conditioning Practice Set-7

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1. A refrigerant compressor is used to

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

3. A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

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

5. In case of sensible cooling of air, the coil efficiency is given by

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

7. In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

8. The wet bulb temperature during sensible cooling of air

9. During sensible cooling of air, specific humidity

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


 

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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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