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1. |
It is said that fins can take a variety of forms(i) Longitudinal fins of rectangular cross section attached to a wall(ii) Cylindrical tubes with radial fins(iii) Conical rod protruding from a wallIdentify the correct statement |
A. | 1 only |
B. | 1 and 2 |
C. | 2 and 3 |
D. | 1, 2 and 3 |
Answer» E. | |