Refrigeration & Air-Conditioning Practice Set-7

August 7, 2021

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1. Air refrigerator works on

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

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

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

5. In a reversed Brayton cycle, the heat is absorbed by the air during

6. The process, generally used in summer air conditioning to cool and dehumidify the air, is called

7. Which of the following refrigerant is highly toxic and flammable?

8. In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

9. The emissivity of a polished silver body is _________ as compared to black body.

10. The wet bulb temperature during sensible cooling of air


 

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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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