Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. In a refrigeration system, the expansion device is connected between the

2. Critical temperature is the temperature above which

3. Freon group of refrigerants are

4. The operating pressure for refrigerating units using R-12 as a refrigerant is

5. Highest temperature encountered in refrigeration cycle should be

6. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

7. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process

8. Which of the following statement is correct?

9. The domestic refrigerator uses following type of compressor

10. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used 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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