411. The relation between equivalent length (L) and actual length (l) of a column for one end fixed and the other end hinged is
L = l/2
L = l/2
L = l
L = 4l
✅ The correct answer is option B.
Strength of Materials MCQs
413. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.
decreases slowly
increases slowly
decreases more quickly
increases more quickly
✅ The correct answer is option D.
414. The ratio of bulk modulus to Young’s modulus for a Poisson’s ratio of 0.25 will be
1-Mar
2-Mar
1
3-Feb
✅ The correct answer is option B.
415. A pressure vessel is said to be a thick shell, when
it is made of thick sheets
the internal pressure is very high
the ratio of wall thickness of the vessel to its diameter is less than 1/10.
the ratio of wall thic
✅ The correct answer is option D.
416. A uniformly distributed load may be assumed to behave like a point load at the centre of gravity of the load for all sorts of calculations.
Correct
Incorrect
✅ The correct answer is option A.
418. A simply supported beam ‘A’ of length l, breadth b, and depth d carries a central point load W. Another beam ‘B’ has the same length and depth but its breadth is doubled. The deflection of beam ‘B’ will be __________ as compared to beam ‘A’.
one-fourth
one-half
double
four times
✅ The correct answer is option B.
420. The energy stored in a body when strained within elastic limit is known as
resilience
proof resilience
strain energy
impact energy
✅ The correct answer is option C.