Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. When a bar of length l, width b and thickness t is subjected to a push of P, its
a. length, width and thickness increases
b. length, width and thickness decreases
c. length increases, width and thickness decreases
d. length decreases, width and thickness increases
Q. When shear force at a point is zero, then bending moment is
a. zero
b. minimum
c. maximum
d. infinity
Q. The elongation of a conical bar under its own weight is
a. equal to
b. half
c. one-third
d. two-third
Q. The hoop stress in a thin cylindrical shell is
a. longitudinal stress
b. compressive stress
c. radial stress
d. circumferential tensile stress
Q. Modular ratio of the two materials is the ratio of
a. linear stress to linear strain
b. shear stress to shear strain
c. their modulus of elasticities
d. their modulus of rigidities
Q. A beam of uniform strength may be obtained by
a. keeping the width uniform and varying the depth
b. keeping the depth uniform and varying the width
c. varying the width and depth both
d. any one of the above
Q. The rectrangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam B will be
a. same
b. One-half
c. One-fourth
d. One-eighth
Q. A column with maximum equivalent length has
a. both ends hinged
b. both ends fixed
c. one end fixed and the other end hinged
d. one end fixed and the other end free
Q. Two shafts 'A' and 'B' are made of same material. The shaft 'A' is of diameter D and shaft 'B' is of diameter D / 2. The strength of shaft 'B' is
a. one-eight
b. one-fourth
c. one-half
d. four times