1000+ Mechanical Engineering Strength of Materials MCQ Questions Pdf - 1

Question: 1

The modulus of rigidity is defined as

(A) the ratio of twisting moment to cross sectional area

(B) the ratio of longitudinal stress to longitudinal strain

(C) the ratio of true stress to true strain

(D) the ratio of shear stress to shear strain

Ans: D

the ratio of shear stress to shear strain

Question: 2

A beam supported at more than two places is known as

(A) continuous beam

(B) economical beam

(C) flitched beam

(D) uniform beam

Ans: A

continuous beam

Question: 3

The theory of failure suitable for brittle materials is

(A) maximum principal stress theory

(B) maximum shear stress theory

(C) maximum strain energy theory

(D) distortion energy theory

Ans: A

maximum principal stress theory

Question: 4

The modulus of resilience is

(A) the maximum energy stored at elastic limit per unit volume

(B) strain energy stored in a specimen when strained within elastic limit

(C) strain energy stored in a specimen when strained beyond elastic limit

(D) the energy stored in a body

Ans: A

the maximum energy stored at elastic limit per unit volume

Question: 5

Which section is normally preferred for an eccentrically loaded strut?

(A) composite

(B) reinforced

(C) hollow

(D) solid

Ans: A

composite

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