Refrigeration & Air-Conditioning Practice Set-4

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1. Air conditioning means

2. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be

3. A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be

4. The superheating in a refrigeration cycle

5. In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature

6. The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

7. The condition of refrigerant as it leaves the compressor in a vapour compression system is

8. The Freon group of refrigerants are

9. The boiling point of ________ is 10.5°C.

10. The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant 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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