Find the modulus elasticity of bar material (E) if c/s area of bar is A, length L, applied load P and elongation is Δ

Which of the following section is the most efficient in carrying bending moments ?

The percentage reduction of a material from a direct compressive test indicates

The maximum tension in a cable occurs

The shape factor of rectangle section is

Given pin jointed frame is

A simply supported beam of length l carries a load varying uniformly from zero at left end to maximum at right end maxim…

The ratio of the moment of inertia of a circular plate and a square plate for equal depth is

Partial derivative of strain energy gives