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 14 of 31

Discover more Topics under Mechanical Engineering

Q131.
The rate of change of displacement of a body is called

a.

velocity

b.

acceleration

c.

momentum

d.

none of these

Discuss
Answer: (a).velocity
Q132.
The efficiency of a screw jack is maximum, when(where ฮฑ = Helix angle, and ฯ† = Angle of friction.)

a.

ฮฑ = 45° + ฯ†/2

b.

ฮฑ = 45° - ฯ†/2

c.

ฮฑ = 90° + ฯ†

d.

ฮฑ = 90° - ฯ†

Discuss
Answer: (b).ฮฑ = 45° - ฯ†/2
Q133.
The periodic time (T) is given by(where ฯ‰ = Angular velocity of particle in rad / s.)

a.

ฯ‰/2ฯ€

b.

2ฯ€/ฯ‰

c.

2ฯ€ x ฯ‰

d.

ฯ€/ฯ‰

Discuss
Answer: (b).2ฯ€/ฯ‰
Q134.
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where ฮด = Deflection of the spring.)

a.

2ฯ€. โˆš(g/ฮด)

b.

1/2ฯ€. โˆš(g/ฮด)

c.

2ฯ€. โˆš(ฮด/g)

d.

1/2ฯ€. โˆš(ฮด/g)

Discuss
Answer: (b).1/2ฯ€. โˆš(g/ฮด)
Q135.
The angle of inclination with the vertical is __________ if the cyclist is running at a faster speed than that when he is running at a slower speed.

a.

more

b.

less

c.

Can't say

d.

None of these

Discuss
Answer: (a).more
Q136.
The range of projectile(R) on an upward inclined plane is

a.

g. cos² ฮฒ/2u². sin (ฮฑ + ฮฒ). cos ฮฑ

b.

2u². sin (ฮฑ + ฮฒ). cos ฮฑ/g. cos² ฮฒ

c.

g. cos² ฮฒ/2u². sin (ฮฑ - ฮฒ). cos ฮฑ

d.

2u². sin (ฮฑ - ฮฒ). cos ฮฑ/g. cos² ฮฒ

Discuss
Answer: (d).2u². sin (ฮฑ - ฮฒ). cos ฮฑ/g. cos² ฮฒ
Q137.
The centre of gravity of a right circular solid cone is at a distance of __________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.)

a.

h/2

b.

h/3

c.

h/4

d.

h/6

Discuss
Answer: (c).h/4
Q138.
In actual machines, mechanical advantage is __________ velocity ratio.

a.

equal to

b.

less than

c.

greater than

d.

None of these

Discuss
Answer: (b).less than
Q139.
The forces which do not meet at one point and their lines of action do not lie on the same plane are known as

a.

coplaner concurrent forces

b.

coplaner non-concurrent forces

c.

non-coplaner concurrent forces

d.

none of these

Discuss
Answer: (d).none of these
Q140.
A non-reversible machine is also called a self-locking machine.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Page 14 of 31