_______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
Correct answer: B. Froude
- A. Mach
- B. Froude
- C. Reynolds
- D. Weber
Explanation
The Froude number compares inertial forces with gravity forces in open-channel flow. Values below, equal to, and above one indicate subcritical, critical, and supercritical flow, respectively.
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