The torque required to overcome viscous resistance of a footstep bearing is (where = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft and t = Thickness of the oil film)

This question belongs to Mechanical Engineering Hydraulics And Fluid Mechanics In ME

Hydraulics and Fluid Mechanics in ME

The torque required to overcome viscous resistance of a footstep bearing is (where $$\mu $$ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft and t = Thickness of the oil film)

A) $$\frac{{\mu {\pi ^2}{\text{NR}}}}{{60{\text{t}}}}$$ B) $$\frac{{\mu {\pi ^2}{\text{N}}{{\text{R}}^2}}}{{60{\text{t}}}}$$ C) $$\frac{{\mu {\pi ^2}{\text{N}}{{\text{R}}^3}}}{{60{\text{t}}}}$$ D) $$\frac{{\mu {\pi ^2}{\text{N}}{{\text{R}}^4}}}{{60{\text{t}}}}$$

Answer & Solution

Correct Answer: Option D

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Dr. Akash 3 years ago

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Iqball Singhh 5 years ago

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The torque required to overcome viscous resistance of a footstep bearing...

The torque required to overcome viscous resistance of a footstep bearing is (where $$\mu $$ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft and t = Thickness of the oil film)

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