Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. In a riveted joint, when the rivets in the various rows are opposite to each other, the joint is said to be
a. chain riveted
b. zig-zag riveted
c. diamond riveted
d. none of these
Q. The ratio of change in volume to the original volume is called
a. linear strain
b. lateral strain
c. volumetric strain
d. Poisson's ratio
Q. The ratio of bulk modulus to Young's modulus for a Poisson's ratio of 0.25 will be
a. 1 ?3
b. 2 ? 3
c. 1
d. 3 ? 2
Q. If the section modulus of a beam is increased, the bending stress in the beam will
a. not change
b. increase
Q. A body is subjected to two normal stresses 20 kN / m2 (tensile) and 10 kN / m2 (compressive) acting perpendicular to each other. The maximum shear stress is
a. 5 kN / m2
b. 10 kN / m2
c. 15 kN / m2
d. 20 kN / m2
Q. In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least
a. equal to
b. 1.5 times
c. double
d. 2.5 times
Q. A rod is enclosed centrally in a tube and the assembly is lightened by rigid washers. If the assembly is subjected to a compressive load, then
a. rod is under compression
b. tube is under compression
c. both rod and tube are under compression
d. rube is under tension and rod is under compression
Q. The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is
a. zero
b. wl2 / 2
c. wl2 / 4
d. wl2 / 8
Q. A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at
a. apex of the triangle
b. mid of the height
c. centre of gravity of the triangle
d. base of the triangle
Q. The stress developed in the material without any permanent set is called
a. elastic limit
b. yield stress
c. ultimate stress
d. breaking stress