What is the value of included angle of a triangular notch for maximum discharge ?
Correct answer: C. 90°
- A. 30°
- B. 60°
- C. 90°
- D. 120°
Explanation
The standard optimum included angle for a triangular or V-notch weir is 90°, which provides maximum discharge under the stated conventional condition. The discharge relation contains the notch-angle factor and is maximised at this angle.
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