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

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Q131.
For a self locking machine, the efficiency must be

a.

0.1 N-m

b.

1 N-m

c.

10 N-m

d.

100 N-m

Discuss
Answer: (b).1 N-m
Q132.
Whenever a force acts on a body and the body undergoes a displacement, then

a.

work is said to be done

b.

power is being transmitted

c.

body has kinetic energy of translation

d.

none of these

Discuss
Answer: (a).work is said to be done
Q133.
When a particle moves along a straight path, there will be centripetal acceleration as well as tangential acceleration.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (b).Incorrect
Q134.
The acceleration of a particle moving with simple harmonic motion is __________ at themean position.

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (a).zero
Q135.
The velocity of a particle moving with simple harmonic motion is __________ at the mean position.

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (c).maximum
Q136.
A framed structure is imperfect, if the number of members are __________ (2j - 3).

a.

equal to

b.

less than

c.

greater than

d.

either (b) or (c)

Discuss
Answer: (d).either (b) or (c)
Q137.
The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of ฮฑ rad / s², is

a.

a = ฮฑ/ r

b.

a = ฮฑ.r

c.

a = r / ฮฑ

d.

none of these

Discuss
Answer: (b).a = ฮฑ.r
Q138.
The total energy possessed by a system of moving bodies

a.

is constant at every instant

b.

varies from point to point

c.

is maximum in the start and minimum at the end

d.

is minimum in the start and maximum at the end

Discuss
Answer: (a).is constant at every instant
Q139.
The polygon law of forces states that if a number of forces, acting simultaneously on a particle, be represented in magnitude and direction by the sides a polygon taken in order, then their resultant is represented in magnitude and direction by the closing side of the polygon, taken in opposite direction.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q140.
A smooth cylinder lying on a __________ is in neutral equilibrium.

a.

curved surface

b.

convex surface

c.

horizontal surface

d.

None of these

Discuss
Answer: (c).horizontal surface
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