Metallurgical Engineering > GATE 2025 > Viscosity
At high temperatures, which one of the following empirical expressions correctly describes the variation of dynamic viscosity μ of a Newtonian liquid with absolute temperature T?
Given: A and B are positive constants.
A
μ=A+BT
B
μ=A exp(-B/T)
C
μ=A exp(BT)
D
μ=A exp(B/T)

Correct : d

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viscosity temperature relationship Newtonian liquid viscosity GATE Metallurgical Engineering 2025 metallurgical engineering gate temperature viscosity relationship exponential viscosity GATE 2025 metallurgy high temperature viscosity exponential viscosity equation

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