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The ratio of inertia force and gravitational force is called as ______

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in Fluid Mechanics by (118k points)
The ratio of inertia force and gravitational force is called as ______

(a) Reynolds number

(b) Stokes number

(c) Froude’s number

(d) Euler’s number

I had been asked this question during a job interview.

I would like to ask this question from Types of Flow in Channels in chapter Flow in Open Channels of Fluid Mechanics

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The correct answer is (c) Froude’s number

Explanation: Froude’s number is the ratio of inertia forces and gravitational forces. Froude’s number is used to classify the flow into critical, sub critical and super critical.

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