# MCQs Mechanics of Materials

By: Prof. Fazal Rehman Shamil

## Bending Stress MCQs

Solved MCQs of Bending Stress in the strength of the materials for mechanical engineers.
When an eccentric load is applied, what stress comes?
(A). Thermal stress
(B). Bending stress
(C). Tensile stress
(D). Shear stress
(E). None of these
MCQ Answer: b

Bending stress is ______
(A). Inversely proportional from neutral layer to a distance of the layer
(B). Directly proportional from neutral layer to a distance of the layer
(C). Directly proportional to neutral layer
(D). From neutral layer, it does not depend upon the distance of the layer
(E). None of these
MCQ Answer: b

Take a steel bar of 250mmx15mmx10mm that is free to enlarge is heated from 15C to 40C. what will be made?
(A). Tensile stress
(B). Compressive stress
(C). Shear stress
(D). No stress
(E). None of these
MCQ Answer: d

If _______the beam is called of a uniform strength
(A). Throughout the beam, the deflection is the same
(B). Through the beam, the shear stress is the same
(C). Throughout the beam, the B.M. is the same
(D). Along its longitudinal axis, the bending stress is the same at every section
(E). None of these
MCQ Answer: d

what is the internal diameter for The safe stress of a hollow steel column which carries 2100 KN is 125 MN/m2 of axial load. if 30cm is the external diameter of the column?
(A). 30.14 cm
(B). 26.19cm
(C). 25 cm
(D). 27.9 cm
(E). None of these
MCQ Answer: b

Bending equation’s expression is?
(A). M/y = σ/R = E/I
(B). M/R = σ/y = E/I
(C). M/I = σ/y = E/R
(D). M/I = σ/R = E/y
(E). None of these
MCQ Answer: c

Because of simple bending, the stress in the beam is _______
(A). Curvilinearly related
(B). Inversely proportional
(C). Directly proportional
(D). None of the mentioned
(E). None of these
MCQ Answer: c