Refrigeration & Air-Conditioning Practice Set-1

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1. During sensible cooling of air ________ decreases.

2. An important characteristic of absorption system of refrigeration is

3. During sensible heating of air _________ decreases.

4. The fluids used in Electrolux refrigerator are

5. During humidification process, __________ increases.

6. Under cooling in a refrigeration cycle

7. Which of the following statement is correct?

8. The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called

9. The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer.

10. For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then



Arbaj 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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