Strength of Materials Mcq Questions and Answers

Published: 25 Nov 2025

1. Euler’s formula holds good only for
a) Short columns
b) Long columns
c) Both short and long columns
d) Weak columns

2. Hooke’s law states that stress and strain are
a) Curvilinearly related
b) Directly proportional
c) Inversely proportional
d) None of these

3. The modulus of elasticity for mild steel is approximately equal to
a) 80 kN/mm²
b) 100 kN/mm²
c) 110 kN/mm²
d) 210 kN/mm²

4. The Poisson’s ratio for cast iron varies from
a) 0.25 to 0.33
b) 0.21 to 0.25
c) 0.23 to 0.27
d) 0.33 to 0.38

5. The bending moment is maximum on a section where shearing force
a) Is maximum
b) Is minimum
c) Is equal
d) Changes sign

6. The shear force on a simply supported beam is proportional to
a) Displacement of the neutral axis
b) Sum of the forces
c) Sum of the transverse forces
d) Algebraic sum of the transverse forces of the section

7. A reinforced concrete beam is assumed to be made of
a) Homogeneous material
b) Isotropic material
c) Heterogeneous material
d) None of these

8. Which is the false statement about true stress-strain method?
a) It gives a more accurate picture of the ductility
b) It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc.
c) It can be used for compression tests as well
d) It does not exist

9. Rupture stress is
a) Breaking stress
b) Maximum load/original cross-sectional area
c) Load at breaking point/A
d) Load at breaking point/neck area

10. The maximum bending moment due to a moving load on a fixed-ended beam occurs
a) At a support
b) Always at the midspan
c) Under the load only
d) None of the above