A steel pipe is part of a drilling rig to build foundation piles The outer d 2 is equal to 6 in and the inner d, is 4.5 in and the steel has a value of 11000 ksi For a torque T = 150 K-in determine a)...

Extracted text: A steel pipe is part of a drilling rig to build foundation piles The outer d 2 is equal to 6 in and the inner d, is 4.5 in and the steel has a value of 11000 ksi For a torque T = 150 K-in determine a) The maximum torsional shear stress in the furthest fiber b) The torsional shear stress in the internal part of the tube c) The angle of rotation per length that is produced to the tube