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 9 of 31

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Q81.
The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

a.

same at every point on its line of action

b.

different at different points on its line of action

c.

minimum, if it acts at the centre of gravity of the body

d.

maximum, if it acts at the centre of gravity of the body

Discuss
Answer: (c).minimum, if it acts at the centre of gravity of the body
Q82.
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

a.

5

b.

10

c.

20

d.

40

Discuss
Answer: (b).10
Q83.
If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q84.
Newton's second law motion __________ a relation between force and mass of a moving body.

a.

gives

b.

does not give

c.

Can't say

d.

None of these

Discuss
Answer: (a).gives
Q85.
The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

a.

(1/2ฯ€). โˆš(l/g)

b.

(1/2ฯ€). โˆš(g/l)

c.

2ฯ€. โˆš(l/g)

d.

None of these

Discuss
Answer: (c).2ฯ€. โˆš(l/g)
Q86.
The resultant of two forces P and Q acting at an angle ฮธ is

a.

P² + Q² + 2P sin ฮธ

b.

P² + Q² + 2PQ cos ฮธ

c.

P² + Q² + 2PQ tan ฮธ

d.

โˆš(P² + Q² + 2PQ cos ฮธ)

Discuss
Answer: (d).โˆš(P² + Q² + 2PQ cos ฮธ)
Q87.
Which of the following are vector quantities?

a.

Linear displacement

b.

Linear velocity

c.

Linear acceleration

d.

all of these

Discuss
Answer: (d).all of these
Q88.
The maximum acceleration of a particle moving with simple harmonic motion is

a.

ฯ‰

b.

ฯ‰r

c.

ฯ‰²r

d.

ฯ‰/r

Discuss
Answer: (c).ฯ‰²r
Q89.
A lift moves downwards with an acceleration of 9.8 m/s². The pressure exerted by a man on the floor of the lift is zero.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q90.
Non-coplaner concurrent forces are those forces which

a.

meet at one point, but their lines of action do not lie on the same plane

b.

do not meet at one point and their lines of action do not lie on the same plane

c.

meet at one point and their lines of action also lie on the same plane

d.

do not meet at one point, but their lines of action lie on the same plane

Discuss
Answer: (a).meet at one point, but their lines of action do not lie on the same plane
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