A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?
Correct answer: A. Circular
- A. Circular
- B. Rectangular
- C. Triangular
- D. Trapezoidal
Explanation
The standard sharp-crested weir forms include rectangular, triangular or V-notch, and trapezoidal sections. A circular section is not the usual weir geometry listed for discharge measurement.
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