Theory of Structures - Engineering

Q1:

Pick up the correct statement from the following:

A The point of intersection of the bending axis with the cross section of the beam, is called shear centre

B For I sections, the shear centre coincides with the centroid of the cross section of the beam

C For channels, the shear centre does not concide its centroid

D Bending loads should pass through the shear centre to avoid twisting

E All the above.

ANS:E - All the above.

Anyone, explain the answer in detail.