Refrigeration & Air-Conditioning Practice Set-6

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1. Nusselt number (NN) is given by

2. In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

3. The coefficient of performance of Electrolux refrigerator is the ratio of

4. During dehumidification process, _________ remains constant.

5. The relative humidity is defined as

6. The wet bulb temperature during sensible heating of air

7. A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called

8. The coefficient of performance of Heat Pump is always _________ one.

9. In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is

10. The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called



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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