361. The ratio of change in volume to the original volume is called
linear strain
lateral strain
volumetric strain
Poisson’s ratio
✅ The correct answer is option C.
Strength of Materials MCQs
362. The modulus of elasticity for mild steel is approximately equal to
10 kN/mm2
80 kN/mm2
100 kN/mm2
210 kN/mm2
✅ The correct answer is option D.
363. Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
strain
stress
pressure
modulus of elasticity
✅ The correct answer is option B.
364. When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as
single riveted lap joint
double riveted lap joint
double riveted single cover butt joint
double riveted double
✅ The correct answer is option B.
365. The bending moment at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre is wl/4.
Yes
No
✅ The correct answer is option B.
366. In Mohr’s circle, the centre of circle from Y-axis is taken as
✅ The correct answer is option B.
368. A column with maximum equivalent length has
both ends hinged
both ends fixed
one end fixed and the other end hinged
one end fixed and the
✅ The correct answer is option D.
369. When a beam is subjected to bending moment, the stress at any point is __________ the distance of the point from the neutral axis.
equal to
directly proportional to
inversely proportional to
independent of
✅ The correct answer is option B.
370. The strain energy stored in a body due to shear stress, is (where τ = Shear stress, C = Shear modulus, and V = Volume of the body)
✅ The correct answer is option C.