5) A brass rod 8mm diameter and 400mm long fits centrally inside aluminum tube of the same length having an external diameter of 16mm and a wall thickness of 3mm. The rod and tube are rigidly connected at their ends so that they twist together when a torque of 20 Nm is applied. Galuminum = 30GP3; Grass = 40GPA. %3D Determine: a) The values of the torsional stiffness for the rod and the tube b) The torque transmitted by each c) The maximum shear stress in each ( d) The angle of twist

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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5) A brass rod 8mm diameter and 400mm long fits centrally inside aluminum tube of the same
length having an external diameter of 16mm and a wall thickness of
3mm. The rod and tube are rigidly connected at their ends so that they twist together when a
torque of 20 Nm is applied. Galuminum = 30GPA; Gbrass = 40GPA.
Determine:
%3D
a) The values of the torsional stiffness for the rod and the tube
b) The torque transmitted by each
c) The maximum shear stress in each
d) The angle of twist
Transcribed Image Text:5) A brass rod 8mm diameter and 400mm long fits centrally inside aluminum tube of the same length having an external diameter of 16mm and a wall thickness of 3mm. The rod and tube are rigidly connected at their ends so that they twist together when a torque of 20 Nm is applied. Galuminum = 30GPA; Gbrass = 40GPA. Determine: %3D a) The values of the torsional stiffness for the rod and the tube b) The torque transmitted by each c) The maximum shear stress in each d) The angle of twist
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