Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. A double strap butt joint with equal straps is
a. always in single shear
b. always in double shear
c. either in single shear or double shear
d. none of these
Q. The ratio of the largest load in a test to the original cross-sectional area of the test piece is called.
a. elastic limit
b. yield stress
c. ultimate stress
d. breaking stress
Q. Fatigue test is carried out for
a. stresses varying between two limits of equal value, but of opposite sign
b. stresses varying between two limits of unequal value, but of opposite sign
c. stresses varying between two limits of unequal value but of same sign
d. all of the above
Q. A spring used to absorb shocks and vibrations is
a. conical spring
b. torsion spring
c. leaf spring
d. disc spring
Q. The neutral axis of a beam is subjected to
a. zero
b. maximum tensile
c. minimum tensile
d. maximum compressive
Q. When a bar is cooled to -5?C, it will develop
a. no stress
b. shear stress
c. tensile stress
d. compressive stress
Q. The strain energy stored in a body, when suddenly loaded, is
a. equal to
b. one-half
c. twice
d. four times
Q. The neutral axis of the cross-section a beam is that axis at which the bending stress is
a. zero
b. minimum
c. maximum
d. infinity
Q. The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
a. elastic limit
b. yield point
c. ultimate point
d. breaking point
Q. The Young's modulus of a material is 125 Gpa and Poissons ratio is 0.25. The modulus of rigidity of the material is
a. 30 GPa
b. 50 GPa
c. 80 GPa
d. 100 GPa
Q. Euler's formula holds good only for
a. short column
b. long column
c. both short and long columns
d. weak columns