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| Q. |
With the boundary layer separation, displacement thickness |
| A. | increases |
| B. | decreases |
| C. | remains same |
| D. | independent |
| Answer» A. increases | |
| Explanation: with the boundary layer separation, displacement thickness increases sharply. this helps to modify the outside potential flow and its pressure field. thus, option ‘a’ is the correct choice. | |
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