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 3 of 31

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Q21.
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

a.

static friction

b.

dynamic friction

c.

limiting friction

d.

coefficient of friction

Discuss
Answer: (c).limiting friction
Q22.
The centre of gravity of an equilateral triangle with each side a, is __________ from any of the three sides.

a.

3a/2

b.

23a

c.

a/23

d.

32a

Discuss
Answer: (c).a/23
Q23.
The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q24.
The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

a.

principle of independence of forces

b.

principle of resolution of forces

c.

principle of transmissibility of forces

d.

none of these

Discuss
Answer: (b).principle of resolution of forces
Q25.
The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in magnitude and direction by the third side of a triangle, taken in opposite order.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q26.
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
Q27.
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
Q28.
If a number of forces are acting at a point, theirresultant will be inclined at an angle θ with the horizontal, such that

a.

tan θ = ∑H/∑V

b.

tan θ = ∑V/∑H

c.

tan θ = ∑Vx∑H

d.

None of these

Discuss
Answer: (b).tan θ = ∑V/∑H
Q29.
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
Q30.
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
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