Q. The slenderness ratio of a vertical column of a square cross-section of 2.5 cm sides and 300 cm length, is

View solution

Q. A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10, 000 kg, the corresponding maximum shearing stress being 30 kg/cm². The depth of the beam is

View solution

Q. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

View solution

Q. For a simply supported beam of length L, the bending moment M is described as M = a (x - x³/L²), 0 ≤ x < L; where a is a constant. The shear force will be zero at

View solution

Q. The deflection of any rectangular beam simply supported, is

View solution

Q. If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm². The intensity of the load per metre length, is

View solution

Q. A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be

View solution

Q. A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is

View solution

Q. If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint

View solution

Q. If the shear force along a section of a beam is zero, the bending moment at the section is

View solution

Q. When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called

View solution

Q. The shear stress at any section of a shaft is maximum

View solution

Q. The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is

View solution

Q. A beam is said to be of uniform strength, if

View solution

Q. In a tension test, the yield stress is 300 kg/cm², in the octa hedral shear stress at the point is:

View solution

Q. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and

View solution

Q. For a simply supported beam with a central load, the bending moment is

View solution

Q. For a given material Young's modulus is 200 GN/m² and modulus of rigidity is 80 GN/m². The value of Poisson's ratio is

View solution

Q. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is

View solution

Q. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

View solution