201. For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
equal to
less than
greater than
✅ The correct answer is option C.
Strength of Materials MCQs
203. The ductility of the material __________ with the decrease in percentage elongation of a specimen under tensile test.
increases
decreases
remains same
✅ The correct answer is option B.
204. The thermal stress in a bar is __________ proportional to the change in temperature.
directly
indirectly
✅ The correct answer is option A.
205. The line of intersection of the neutral layer with any normal cross-section of the beam is called neutral axis.
TRUE
FALSE
✅ The correct answer is option A.
206. The proof resilience is the maximum strain energy which can be stored in a body.
Yes
No
✅ The correct answer is option A.
207. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the fixed end.
zero
wl/4
wl/2
wl
✅ The correct answer is option D.
208. A spring, when loaded, is permanently distorted and recover its original shape when the load is removed.
Agree
Disagree
✅ The correct answer is option A.
209. The proof resilience per unit volume of a material is known as modulus of resilience.
TRUE
FALSE
✅ The correct answer is option A.
210. When a body is subjected to a direct tensile stress (σ) in one plane, then normal stress on an oblique section of the body inclined at an angle θ to the normal of the section is
σ cos θ
σ cos2 θ
σ sin θ
σ sin2 θ
✅ The correct answer is option B.