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 16 of 31

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Q151.
The moment of inertia of a square of side a about its base is a⁴/ 3.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q152.
If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys

a.

first

b.

second

c.

third

d.

None of these

Discuss
Answer: (b).second
Q153.
The time of flight (t) of a projectile on a horizontal plane is given by

a.

t = 2u. sinΞ±/g

b.

t = 2u. cosΞ±/g

c.

t = 2u. tanΞ±/g

d.

t = 2u/g.sinΞ±

Discuss
Answer: (a).t = 2u. sinΞ±/g
Q154.
The velocity ratio for the third system of pulleys is

a.

n

b.

n2

c.

2n

d.

2n - 1

Discuss
Answer: (d).2n - 1
Q155.
If the gravitational acceleration at any place is doubled, then the weight of a body will be

a.

g/2

b.

g

c.

2g

d.

2g

Discuss
Answer: (d).2g
Q156.
The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

a.

mr²/3

b.

2mr²/3

c.

2mr²/5

d.

3mr²/5

Discuss
Answer: (b).2mr²/3
Q157.
A block of mass m1, placed on an inclined smooth plane is connected by a light string passing over a smooth pulley to mass m2, which moves vertically downwards as shown in the below figure. The tension in the string is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q158.
The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q159.
In the shown figure, the tension (T) in the string will be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q160.
The below figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
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