251. The maximum bending moment of a simply supported beam with central point load lies at the point of loading.
TRUE
FALSE
✅ The correct answer is option A.
Strength of Materials MCQs
252. Modulus of resilience is the proof resilience per unit volume of a material.
Correct
Incorrect
✅ The correct answer is option A.
253. Which of the following is a proper sequence?
proportional limit, elastic limit, yielding, failure
elastic limit, proportional limit, yielding, failure
yielding, proportional limit, elastic limit, failure
none of the above
✅ The correct answer is option A.
254. When a bar of length l, width b and thickness t is subjected to a pull of P, its
length, width and thickness increases
length, width and thickness decreases
length increases, width and thickness decreases
length decreases, widt
✅ The correct answer is option C.
255. When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.
equal to
one-half
two-third
twice
✅ The correct answer is option B.
256. Strain is equal to (where l = Original length, and δl = Change in length)
l/δl
δl/l
l.δl
l + δl
✅ The correct answer is option B.
257. When a change in length takes place, the strain is known as
linear strain
lateral strain
volumetric strain
shear strain
✅ The correct answer is option A.
258. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end.
zero
wl/4
wl/2
wl
✅ The correct answer is option A.