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 23 of 31

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Q221.
Which of the following statement is correct in connection with projectiles?

a.

A path, traced by a projectile in the space, is known as trajectory.

b.

The velocity with which a projectile is projected, is known as the velocity of projection.

c.

The angle, with the horizontal, at which a projectile is projected is known as angle of projection.

d.

all of the above

Discuss
Answer: (d).all of the above
Q222.
The acceleration of a body sliding down an inclined surface is

a.

g sin θ

b.

g cos θ

c.

g tan θ

d.

none of these

Discuss
Answer: (a).g sin θ
Q223.
If a body is acted upon by a number of coplaner non-concurrent forces, it may

a.

rotate about itself without moving

b.

move in any one direction rotating about itself

c.

be completely at rest

d.

all of these

Discuss
Answer: (d).all of these
Q224.
The angle which the normal reaction makes with the resultant reaction is called angle of friction.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q225.
Which of the following statement is correct?

a.

The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,

b.

The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.

c.

The velocity of the particle moving with simple harmonic motion is zero at the mean position.

d.

The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.

Discuss
Answer: (a).The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
Q226.
The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

a.

P = mW - C

b.

P = m/W + C

c.

P = mW + C

d.

P = C - mW

Discuss
Answer: (c).P = mW + C
Q227.
The velocity of a body on reaching the ground from a height h, is

a.

2.√(gh)

b.

√(gh)

c.

√(2gh)

d.

2g.√h

Discuss
Answer: (c).√(2gh)
Q228.
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

a.

D + d

b.

D - d

c.

D x d

d.

D / d

Discuss
Answer: (d).D / d
Q229.
The unit of force in S.I. system of units is

a.

dyne

b.

kilogram

c.

newton

d.

watt

Discuss
Answer: (c).newton
Q230.
The moment of inertia of a solid cone of mass m and base radius r about its vertical axis is

a.

3mr2/5

b.

3mr2/10

c.

2mr2/5

d.

4mr2/5

Discuss
Answer: (b).3mr2/10
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