Pick up the incorrect statement from the following:
The torsional resistance of a shaft is directly proportional to

The strain energy due to volumetric strain

The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is

A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of join…

For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to inters…

Castigliano’s first theorem is applicable

A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strai…

A compound truss may be formed by connecting two simple rigid frames, by

The width of the analogous column in the method of column analogy is