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Refrigeration and Air Conditioning - Interview Questions and Answers

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11. The refrigerant for a refrigerator should have
A. high sensible heat
B. high total heat
C. high latent heat
D. low latent heat
E. low sensible heat
Explanation:
12. The moisture in a refrigerant is removed by
A. evaporator
B. safety relief valve
C. dehumidifier
D. driers
E. expansion valve
Explanation:
13. The relative coefficient of performance is
A. actual COP/theoretical COP
B. theoretical COP/actual COP
C. actual COP x theoretical COP
D. 1-actual COP x theoretical COP
E. 1-actual COP/theoretical COP.
Explanation:
14. One ton refrigeration corresponds to
A. 50 kcal/min
B. 50 kcal/kr
C. 80 kcal/min
D. 80 kcal/hr
E. 1000 kcal/day.
Explanation:
15. Which of the following cycles uses air as the refrigerant
A. Ericsson
B. Stirling
C. Carnot
D. Bell coleman
E. none of the above.
Explanation:
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