Open channel liquid flow is most conveniently measured by a__________________?
Correct answer: A. Notch
- A. Notch
- B. Hot wire anemometer
- C. Rotameter
- D. Segmental orifice
Explanation
A notch, especially a V-notch, measures open-channel flow from the upstream liquid head, using a calibrated head-discharge relationship. Rotameters and orifice meters are generally used in closed conduits.
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