Refrigeration & Air-Conditioning Practice Set-4

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1. The leakage in a refrigeration system using Freon is detected by

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

3. Air conditioning means

4. The relative coefficient of performance is

5. The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents

6. Which of the following refrigerant has the highest freezing point.

7. A standard ice point temperature corresponds to the temperature of

8. The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

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

10. The bypass factor (B. P. F.) in case of sensible heating of air is (Where td = Dry bulb temperature of air entering the heating coil, td = Dry bulb temperature of air leaving the heating coil, and td = Dry bulb temperature of heating coil)



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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