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.
The range of projectile(R) on an upward inclined plane is

a.

g. cos² β/2u². sin (α + β). cos α

b.

2u². sin (α + β). cos α/g. cos² β

c.

g. cos² β/2u². sin (α - β). cos α

d.

2u². sin (α - β). cos α/g. cos² β

Discuss
Answer: (d).2u². sin (α - β). cos α/g. cos² β
Q132.
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
Q133.
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
Q134.
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
Q135.
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
Q136.
Mass moment of inertia of a thin rod about its one end is __________ the mass moment of inertia of the same rod about its mid-point

a.

same as

b.

twice

c.

thrice

d.

four times

Discuss
Answer: (d).four times
Q137.
The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
Q138.
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
Q139.
The resultant of two equal forces P making an angle θ, is given by

a.

2 P sin θ /2

b.

2 P cos θ /2

c.

2 P tan θ /2

d.

2 P cot θ /2

Discuss
Answer: (b).2 P cos θ /2
Q140.
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
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