Which of the following statements is true?

Fluid Mechanics for Chemical MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Fluid Mechanics for Chemicalchemical-engineering › fluid-mechanics-for-chemical-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

Option A is correct because a forced vortex involves fluid rotating uniformly as a solid body about an axis. Option B is incorrect since Newton's law of viscosity applies to laminar flow. Option C is wrong because a free vortex does not rotate as a solid body. Option D is false because turbulent flow is characterized by the presence of cross-currents and eddies.

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