Q. The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to (Solved)
1. 1/2 × depth
2. 1/2 × breadth
3. 1/2 × sloping side
4. 1/4 × (depth + breadth)
- a. 1/2 × depth
1. 1/2 × depth
2. 1/2 × breadth
3. 1/2 × sloping side
4. 1/4 × (depth + breadth)