# 1000+ Civil Engineering Strength of Materials MCQ Questions & Answers - 1

Question: 1

A portion of beam between two sections is said to be in pure bending, when there is

(A) zero bending moment and constant shear force

(B) zero binding moment and zero shear force

(C) constant bending moment and zero shear force

(D) constant bending moment and constant shear force

Ans: C

constant bending moment and zero shear force

Question: 2

In a electrical strain gauge, the quantity measured to determine strain is

(A) resistance

(B) current

(C) voltage

(D) none of the above

Ans: A

resistance

Question: 3

Slenderness ratio is the ratio of

(A) effective length of column to its moment of inertia

(B) effective length of column to its cross sectional area

(C) effective length of column to its radius of gyration

(D) effective length of column to extreme fibre distance from centroid of the section

Ans: C

effective length of column to its radius of gyration

Question: 4

Liming value of Poisson's ratio are

(A) 0 and 0.2

(B) 0 and 0.5

(C) 1 and – 0.5

(D) – 1 and – 0.5

Ans: B

0 and 0.5

Question: 5

According to Robert Hooke, stress is proportional to strain upto

(A) ultimate stress

(B) yield point

(C) elastic limit

(D) proportionality limit

Ans: C

elastic limit

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