Computer · Fluid Mechanics
Which of the following is NOT a condition for a most economical trapezoidal channel section?
- 1A semicircle drawn with its center at the top water surface and radius equal to depth of flow touches the three sides
- 2The bottom width of the channel section is equal to two times the depth of flow✓
- 3The hydraulic mean depth is equal to half of the depth of flow
- 4Half of the top width is equal to one of the sloping sides of the channel section
Correct answer
The bottom width of the channel section is equal to two times the depth of flow
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