Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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1. When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

2. The relative coefficient of performance is equal to

3. In a psychrometric chart, specific humidity (moisture content) lines are

4. A refrigerant compressor is used to

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

6. The specific humidity during humidification process

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

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

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

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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