Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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

2. During a refrigeration cycle, heat is rejected by the refrigerant in a

3. A refrigerant compressor is used to

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

5. The lowest temperature during the cycle in a vapour compression system occurs after

6.  The vertical and uniformly spaced lines on a psychrometric chart indicates

7. 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

8. The relative coefficient of performance is equal to

9. Wet bulb temperature is the temperature of air recorded by a thermometer, when

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


 

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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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