DBATU Model MCQ – Refrigeration and Air-Conditioning

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Welcome to your Refrigeration & Air conditioning, dated August 4, 2021

1. The higher temperature in vapour compression cycle occurs atDeselect Answer
2. Critical temperature is the temperature  above whichDeselect Answer
3. Air refrigeration operates onDeselect Answer
4. Ammonia absorption  refrigeration cycle requiresDeselect Answer
5. One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of iceDeselect Answer
6. In S.I unit ,one ton of refrigeration is equal toDeselect Answer
7. Condensing temperature in a refrigerator is the temperatureDeselect Answer
8. Accumulators should have adequate volume to store refrigerant charge at leastDeselect Answer
9. 9. Which of the following is not the desirable property of a refrigerantDeselect Answer
10. 10. Efficiency of Carnot engine is given as 80%. If the cycle direction be reversed , what will be the value of COP of reverse Carnot cycleDeselect Answer
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