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 17 of 31

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Q161.
According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

a.

IP = IG + Ah2

b.

IP = IG - Ah2

c.

IP = IG / Ah2

d.

IP = Ah2 / IG

Discuss
Answer: (a).IP = IG + Ah2
Q162.
The resultant of two equal forces P making an angle ฮธ, is given by

a.

2 P sin ฮธ /2

b.

2 P cos ฮธ /2

c.

2 P tan ฮธ /2

d.

2 P cot ฮธ /2

Discuss
Answer: (b).2 P cos ฮธ /2
Q163.
The force, by which the body is attracted, towards the centre of the earth, is called

a.

impulsive force

b.

mass

c.

weight

d.

momentum

Discuss
Answer: (c).weight
Q164.
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: (c).meet at one point and their lines of action also lie on the same plane
Q165.
The power developed by a body acted upon by a torque T newton metre (N - m) and revolving at ฯ‰ radian/s is given by

a.

T.ฯ‰ (in watts)

b.

T.ฯ‰/60 (in watts)

c.

T.ฯ‰/75 (in kilowatts)

d.

T.ฯ‰/4500 (in kilowatts)

Discuss
Answer: (a).T.ฯ‰ (in watts)
Q166.
When two elastic bodies collide with each other,

a.

the two bodies will momentarily come to rest after collision

b.

the two bodies tend to compress and deform at the surface of contact

c.

the two bodies begin to regain their original shape

d.

all of the above

Discuss
Answer: (d).all of the above
Q167.
The centre of gravity of a triangle lies at a point where its medians intersect each other.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q168.
In order to double the period of simple pendulum, the length of the string should be

a.

halved

b.

doubled

c.

quadrupled

d.

None of these

Discuss
Answer: (c).quadrupled
Q169.
The moment of inertia of a square of side a about its base is aโด/ 3.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q170.
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
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