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


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