1000+ Strength of Materials Objective Questions and Answers - 1

Question: 1

The weakest section of a diagonal riveting, is the section which passes through

(A) central row

(B) one rivet hole of end row

(C) first row

(D) second row

Ans: C

first row

Question: 2

A beam is said to be of uniform strength, if

(A) bending stress is same at every section along its longitudinal axis

(B) deflection is same throughout the beam

(C) shear stress is same throughout the beam

(D) B.M. is same throughout the beam

Ans: A

bending stress is same at every section along its longitudinal axis

Question: 3

Shear force for a cantilever carrying a uniformly distributed load over its length, is

(A) cubic parabola

(B) parabola

(C) rectangle

(D) triangle

Ans: C

rectangle

Question: 4

The shape of the bending moment diagram over the length of a beam, having no external load, is always

(A) circular

(B) cubical

(C) linear

(D) parabolic

Ans: C

linear

Question: 5

In the analysis of thick cylinder, the assumption made is

(A) the longitudinal strain is uniform across the section

(B) the longitudinal stress distribution is uniform

(C) the hoop stress distribution is uniform

(D) radial stress is negligible

Ans: A

the longitudinal strain is uniform across the section

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