The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to
The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to Correct Answer $$\frac{1}{2}$$ × depth
The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to Correct Answer $$\frac{1}{2}$$ × depth