1000+ Civil Engineering Strength of Materials MCQ Questions & Answers - 2

Question: 6

Endurance limit is

(A) The maximum stress at which even a billion reversal of stress cannot cause failure of the material

(B) The maximum stress a material can sustain for very long time

(C) The maximum bending stress the material can take

(D) b. The maximum stress a material can take under direct loading

Question: 7

The angle between the direction of maximum shear plane and maximum principal plane are

(A) 30°

(B) 40°

(C) 45°

(D) 50°

Question: 8

Kern of rectangular column is having _____ shape.

(A) rectangular

(B) triangular

(C) square

(D) diamond

Question: 9

In any beam, shear stress at extreme fibre and neutral axis are respectively

(A) maximum and zero

(B) zero and maximum

(C) zero and zero

(D) maximum and maximum

Question: 10

A bar of brass is enclosed in a steel tube and are rigidly fastened at both the ends. If the coefficient of thermal expansion of brass is more than that of the steel, when temperature rises, the nature of stresses developed are

(A) tensile in both steel and brass bars

(B) compressive in steel and tensile in brass bars

(C) tensile in steel and compressive in brass bar

(D) compressive in both steel and brass bars