Strength of Materials MCQ Question with Answer

Strength of Materials MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Modulus of rigidity is defined as the ratio of

Longitudinal stress to longitudinal strain
Volumetric stress to volumetric strain
Lateral stress to Lateral strain
Shear stress to shear strain

Question No : 9
The strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is

Four times
Eight times

Question No : 10
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

Question No : 11
Strain is equal to (where l = Original length, and δl = Change in length)

l + δl

Question No : 12
The bending stress in a beam is _________ section modulus.

Inversely proportional to two times
Directly proportional to
Inversely proportional to
None of these

Question No : 13
The unit of Young's modulus is


Question No : 14
Euler's formula holds good only for

Short columns
Long columns
Both short and long columns
Weak columns