6897Chemical EngineeringMedium
Shear stress in a fluid flowing in a round pipe________?
AVaries parabolically across the cross-section
BIs zero at the wall and increases linearly to the centre
CRemains constant over the cross-section
DIs zero at the centre and varies linearly with the radius
Correct answer
D. Is zero at the centre and varies linearly with the radius
Explanation
The correct answer is Is zero at the centre and varies linearly with the radius.