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| Q. |
The velocity distribution in a turbulent flow in a pipe is often assumed to |
| A. | be zero at the wall and increase linearly to the centre |
| B. | vary according to the 1/7 th power law |
| C. | be maximum at the wall and decrease linearly to the centre |
| D. | be unpredictable and is thus not used |
| E. | vary parabolically |
| Answer» B. vary according to the 1/7 th power law | |
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