Computer · Fluid Mechanics
What is the hydraulic radius (m) for a rectangular channel section having width (b) and flow depth (d)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1m = b / (b + 2d)
- 2m = (b + 2d) / (b × d)
- 3m = (b × d) / (b + 2d)✓
- 4m = d / (b + 2d)
Correct answer
m = (b × d) / (b + 2d)
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