If 'S' is the axial acting on an element 'ds' of a structural member with cross sectional area 'A' and modulus of elasticity 'E' the total strain energy of the member on account of axial force 'S' is given by

Torsion is produced in a beam due to

Horizontal reaction at B as shown in fig. is equal to

The term centre of gravity was introduced by

Allowable stress in steel is less than

A simply supported beam of span L carries two equal concentrated loads, W at a distance of L/3 from either support. The …

A pin jointed frame with with J number of joints and n, number of members will be a perfect frame if

Hoop stress is

The arch meant for supporting uniformly distributed loads, to avoid any bending moment must be