Engineering Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Engineering Mechanics, 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 Engineering Mechanics 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 Engineering Mechanics mcq questions that explore various aspects of Engineering Mechanics problems. Each MCQ is crafted to challenge your understanding of Engineering Mechanics 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 Engineering Mechanics 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 Engineering Mechanics. 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 Engineering Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Engineering Mechanics MCQs | Page 4 of 31

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Q31.
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

a.

bh3/4

b.

bh3/8

c.

bh3/12

d.

bh3/36

Discuss
Answer: (d).bh3/36
Q32.
Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

a.

v = u + a.t

b.

s = u.t + 1/2 a.t2

c.

v2 = u2+2a.s

d.

all of these

Discuss
Answer: (d).all of these
Q33.
If a number of forces are acting at a point, theirresultant will be inclined at an angle ฮธ with the horizontal, such that

a.

tan ฮธ = โˆ‘H/โˆ‘V

b.

tan ฮธ = โˆ‘V/โˆ‘H

c.

tan ฮธ = โˆ‘Vxโˆ‘H

d.

None of these

Discuss
Answer: (b).tan ฮธ = โˆ‘V/โˆ‘H
Q34.
A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q35.
When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

a.

simple pendulum

b.

compound pendulum

c.

torsional pendulum

d.

second's pendulum

Discuss
Answer: (b).compound pendulum
Q36.
If two blocks of equal mass are attached to the two ends of a light string and one of the blocks is placed over a smooth horizontal plane while the other is hung freely after passing over a smooth pulley, then the two blocks will have some motion.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q37.
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

a.

equal to

b.

equal and opposite to

c.

less than

d.

greater than

Discuss
Answer: (b).equal and opposite to
Q38.
The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

a.

equal to

b.

less than

c.

greater than

d.

None of these

Discuss
Answer: (a).equal to
Q39.
The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q40.
The frequency of oscillation of a torsional pendulum is

a.

2ฯ€k/r. โˆš(g/l)

b.

r/2ฯ€k. โˆš(l/g)

c.

2ฯ€r/k. โˆš(g/l)

d.

r/2ฯ€k. โˆš(g/l)

Discuss
Answer: (d).r/2ฯ€k. โˆš(g/l)
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