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1. |
Calculate the approximate specific energy of a trapezoidal channel having a bottom width of 6 metres, ratio of side slopes is 1: 1 and the depth of flow at a discharge speed of 15 cubic metres per second is 1.5 metres. |
A. | 2.6 |
B. | 1.6 |
C. | 3.6 |
D. | 4.6 |
Answer» C. 3.6 | |