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What happens to viscosity in the case of incompressible fluids as temperature is increased?

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in Fluid Mechanics by (118k points)
What happens to viscosity in the case of incompressible fluids as temperature is increased?

(a) It remains constant

(b) It increases

(c) It decreases

(d) None of the mentioned

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I want to ask this question from Viscosity in section Properties of Fluids of Fluid Mechanics

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The correct answer is (c) It decreases

To explain: In case of incompressible fluids, cohesive forces govern the viscosity. As temperature increases the cohesive forces between fluid molecules decreases due to increase in molecular agitation. Hence, as a result, viscosity decreases.

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