1. In Freon 22 system, moisture choking generally does not occur |
2. Freon 11 is mainly used in large capacity air- conditioning plants with centrifugal compressors. |
3. Presence of lubricating oil in evaporator will increase the heat transfer coefficient. |
4. Refrigerants that are completely miscible with oil, do not cause oil choking. |
A) 1, 2 and 3 are correct
B) 1, 2 and 4 are correct
C) 2, 3 and 4 are correct
D) 1, 3 and 4 are correct
Correct Answer: A
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