Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

2. Critical temperature is the temperature above which

3. The condition of refrigerant after passing through the condenser in a vapour compression system is

4. The value of C.O.P in vapour compression cycle is usually

5. A thermostatic expansion valve in a refrigeration system

6. Cooling water is required for following equipment in ammonia absorption plant

7. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

8. 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

9. The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P.

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


 

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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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