Strength of Materials MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Strength of Materials, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Strength of Materials MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Strength of Materials mcq questions that explore various aspects of Strength of Materials problems. Each MCQ is crafted to challenge your understanding of Strength of Materials principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Strength of Materials MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Strength of Materials. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Strength of Materials knowledge to the test? Let's get started with our carefully curated MCQs!

Strength of Materials MCQs | Page 35 of 44

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Q341.
When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is

a.

tensile stress

b.

compressive stress

c.

shear stress

d.

thermal stress

Discuss
Answer: (d).thermal stress
Q342.
A shear stress across a plane, is always accompanied by a balancing shear stress across the plane and normal to it.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
Q343.
The bending moment diagram for a simply supported beam loaded in its centre is

a.

a right angled triangle

b.

an issoscles triangle

c.

an equilateral triangle

d.

a rectangle

Discuss
Answer: (b).an issoscles triangle
Q344.
A load which acts at a point on a beam is not called uniformly distributed load.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q345.
The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.

a.

same

b.

one-halt

c.

one-fourth

d.

one-eighth

Discuss
Answer: (b).one-halt
Q346.
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was

a.

mild steel

b.

cast iron

c.

glass

d.

copper

Discuss
Answer: (b).cast iron
Q347.
In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure

a.

lies in the centre of the beam

b.

lies at the ends of the beam

c.

depends upon the length of beam

d.

does not exist

Discuss
Answer: (d).does not exist
Q348.
Modulus of rigidity may be defined as the ratio of

a.

linear stress to lateral strain

b.

lateral strain to linear strain

c.

linear stress to linear strain

d.

shear stress to shear strain

Discuss
Answer: (d).shear stress to shear strain
Q349.
A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be

a.

-100 MPa

b.

250 MPa

c.

300 MPa

d.

400 MPa

Discuss
Answer: (d).400 MPa
Q350.
A simply supported beam 'A' of length l, breadth b, and depth d carries a central point load W. Another beam 'B' has the same length and depth but its breadth is doubled. The deflection of beam 'B' will be __________ as compared to beam 'A'.

a.

one-fourth

b.

one-half

c.

double

d.

four times

Discuss
Answer: (b).one-half
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