Refrigeration & Air-Conditioning Practice Set-5

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1. The mass of water vapour present in __________ is called absolute humidity.

2. Degree of saturation or percentage humidity is

3. The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

4. The cooling system used for supersonic aircrafts and rockets is

5. The mass of water vapour present in __________ is called absolute humidity.

6. In a refrigerating machine, heat rejected is _________ heat absorbed.

7. Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

8. The specific humidity during cooling and dehumidification

9. In vapour compression cycle the condition of refrigerant is superheated vapour

10. For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of


 

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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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