Civil Engineering - Theory of Structures - Discussion


A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is


Answer: Option C


No answer description available for this question.

Mohan Kumar said: (Jan 27, 2017)  
We know f = bending stress.
q = shear stress.
We also know that M/T = f/2q.
Solution f/q = 2M/T.

Bam Bhandari said: (Oct 15, 2018)  
The maximum bending stress=32M/πD^3.
The maximum shear stress=16T/πD^3.
Max.bending stress/max.shear stress=32M/πD63 *πD^3/16t.
=2M/T => answer.

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