Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. The object of caulking in a riveted joint is to make the joint
a. free from corrosion
b. stronger in tension
c. free from stresses
d. leak-proof
Q. Transverse fillet welds are designed for
a. tensile strength
b. compressive strength
c. shear strength
d. bending strength
Q. Lame's theory is associated with
a. thin cylindrical shells
b. thick cylindrical shells
c. direct and bending stresses
d. none of these
Q. Two solid shafts 'A' and 'B' are made of the same material. The shaft 'A' is of 50 mm diameter and shaft 'B' is of 100 mm diameter. The strength of shaft 'B' is
a. one-half
b. double
c. four times
d. eight times
Q. The bending moment 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. When a body is subjected to a direct tensile stress (?) in one plane, then normal stress on an oblique section of the body inclined at an angle ? to the normal of the section is
a. ? cos ?
b. ? cos2 ?
c. ? sin ?
d. ? sin2 ?
Q. When a shaft is subjected to torsion, the shear stress induced in the shaft varies from
a. manimum at the centre to maximum at the circumference
b. maximum at the centre to minimum at the circumference
c. zero at the centre to maximum at the circumference
d. maximum at the centre of zero at the circumference
Q. Whenever a material is loaded within elastic limit, stress is
a. equal to
b. directly proportional to
Q. A beam supported on more than two supports is called
a. simply supported beam
b. fixed beam
c. overhanging beam
d. continuous beam
Q. A rectangular beam of length l supported at its two ends carries a central point load W. The maximum deflection occurs
a. at the ends
b. at l / 3 from both ends
c. at the centre
d. none of these