UPSC Civil Service Exam Questions - Engineering

Q1:

A beam of rectangular cross-section (b x d) is subjected to a torque T. What is the maximum torsional stress induced in the beam ?(Where b < d, and α is a constant)

A

B

C

D

ANS:A -

b < d,
So, J=b^3d.
T/Zp.
T/b^2d.