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What is the formula to find the kinematic viscosity of a fluid?

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in Fluid Mechanics by (118k points)
What is the formula to find the kinematic viscosity of a fluid?

(a) Dynamic Viscosity * Temperature

(b) Dynamic Viscosity / Density

(c) 1/ dynamic viscosity

(d) Density / Dynamic Viscosity

This question was posed to me in an internship interview.

This key question is from Newton’s Second Law topic in portion Fluid Dynamics of Fluid Mechanics

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Right answer is (b) Dynamic Viscosity / Density

Explanation: Density is a major factor that determines the kinematic viscosity. As the temperature increases, density decreases thereby causing changes in the density of the fluid. Thus, kinematic viscosity and density are inversely proportional.

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