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 8 of 44

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Q71.
When a body is subjected to a direct tensile stress (ฯƒx) in one plane accompanied by a simple shear stress (ฯ„xy), the maximum shear stress is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q72.
The extremeties of any diameter on Mohr's circle represent

a.

principal stresses

b.

normal stresses on planes at 45°

c.

shear stresses on planes at 45°

d.

normal and shear stresses on a plane

Discuss
Answer: (b).normal stresses on planes at 45°
Q73.
Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.

a.

1/16

b.

1/8

c.

1/4

d.

15/16

Discuss
Answer: (d).15/16
Q74.
The bending moment of a cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is __________ at the fixed end.

a.

wl/2

b.

wl

c.

wl2/2

d.

wl2/6

Discuss
Answer: (d).wl2/6
Q75.
In a cantilever beam of length l subjected to a uniformly distributed load of w per unit length, the maximum deflection lies at the fixed end.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q76.
A lap joint is always in __________ shear.

a.

single

b.

double

c.

Can't say

d.

None of these

Discuss
Answer: (a).single
Q77.
The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

a.

equal to

b.

half

c.

one-third

d.

two-third

Discuss
Answer: (c).one-third
Q78.
When the shear force diagram is a parabolic curve between two points, it indicates that there is a

a.

point load at the two points

b.

no loading between the two points

c.

uniformly distributed load between the two points

d.

uniformly varying load between the two points

Discuss
Answer: (d).uniformly varying load between the two points
Q79.
The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q80.
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.

a.

equal to

b.

less than

c.

more than

d.

None of these

Discuss
Answer: (b).less than
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