If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by

The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying

The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is

At yield point of a test piece, the material

The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is

The yield moment of a cross section is defined as the moment that will just produce the yield stress in

Which of the following is not the displacement method?

Which of the following methods of structural analysis is a force method?

In plastic analysis, the shape factor for rectangular section, is