Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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1. The human body feels comfortable when the heat stored in the body is

2. The relative coefficient of performance is equal to

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

4. In a vapour compression system, the condition of refrigerant is dry saturated vapour

5. For large tonnage (more than 200 TR) air-conditioning applications, the compressor recommended is

6. The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

7. Most air cooled condensers are designed to operate with a temperature difference of

8. Moisture should be removed from refrigerants to avoid

9. The wet bulb temperature at 100% relative humidity is ________ dry bulb temperature.

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


 

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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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