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 7 of 31

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Q61.
Newton's second law motion __________ a relation between force and mass of a moving body.

a.

gives

b.

does not give

c.

Can't say

d.

None of these

Discuss
Answer: (a).gives
Q62.
The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

a.

(1/2π). √(l/g)

b.

(1/2π). √(g/l)

c.

2π. √(l/g)

d.

None of these

Discuss
Answer: (c).2π. √(l/g)
Q63.
The resultant of two forces P and Q acting at an angle θ is

a.

P² + Q² + 2P sin θ

b.

P² + Q² + 2PQ cos θ

c.

P² + Q² + 2PQ tan θ

d.

√(P² + Q² + 2PQ cos θ)

Discuss
Answer: (d).√(P² + Q² + 2PQ cos θ)
Q64.
Which of the following are vector quantities?

a.

Linear displacement

b.

Linear velocity

c.

Linear acceleration

d.

all of these

Discuss
Answer: (d).all of these
Q65.
The maximum acceleration of a particle moving with simple harmonic motion is

a.

ω

b.

ωr

c.

ω²r

d.

ω/r

Discuss
Answer: (c).ω²r
Q66.
A lift moves downwards with an acceleration of 9.8 m/s². The pressure exerted by a man on the floor of the lift is zero.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q67.
Non-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: (a).meet at one point, but their lines of action do not lie on the same plane
Q68.
Which of the following statement is correct?

a.

The kinetic energy of a body during impact remains constant.

b.

The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact.

c.

The kinetic energy of a body before impact is less than the kinetic energy of a body after impact.

d.

The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.

Discuss
Answer: (d).The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.
Q69.
The maximum efficiency of a screw jack is

a.

(1 - sinφ)/(1 + sinφ)

b.

(1 + sinφ)/(1 - sinφ)

c.

(1 - tanφ)/(1 + tanφ)

d.

(1 + tanφ)/(1 - tanφ)

Discuss
Answer: (a).(1 - sinφ)/(1 + sinφ)
Q70.
The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
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