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 19 of 31

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Q181.
The forces, which meet at one point and their lines of action also lie on the same plane, are known as

a.

coplaner concurrent forces

b.

coplaner non-concurrent forces

c.

non-coplaner concurrent forces

d.

non-coplaner non-concurrent forces

Discuss
Answer: (a).coplaner concurrent forces
Q182.
The amount by which the outer edge of the rail is raised, is known as super-elevation.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q183.
The unit of energy in S.I. units is

a.

dyne

b.

watt

c.

kg-m

d.

joule

Discuss
Answer: (d).joule
Q184.
The angle of inclination of the plane at which the body begins to move down the plane, is called

a.

angle of friction

b.

angle of repose

c.

angle of projection

d.

none of these

Discuss
Answer: (a).angle of friction
Q185.
Which of the following statement is incorrect?

a.

A force acting in the opposite direction to the motion of the body is called force of friction.

b.

The ratio of the limiting friction to the normal reaction is called coefficient of friction.

c.

A machine whose efficiency is 100% is known as an ideal machine.

d.

The velocity ratio of a machine is the ratio of load lifted to the effort applied.

Discuss
Answer: (d).The velocity ratio of a machine is the ratio of load lifted to the effort applied.
Q186.
According to lami's theorem

a.

the three forces must be equal

b.

the three forces must be at 120° to each other

c.

the three forces must be in equilibrium

d.

if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two

Discuss
Answer: (d).if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two
Q187.
The amplitude is always __________ radius of the circle.

a.

equal to

b.

less than

c.

greater than

d.

None of these

Discuss
Answer: (a).equal to
Q188.
When a body falls freely under gravitational force, it possesses __________ weight.

a.

no

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (a).no
Q189.
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

a.

both the balls undergo an equal change in momentum

b.

the change in momentum suffered by rubber ball is more than the lead ball

c.

the change in momentum suffered by rubber ball is less than the lead ball

d.

none of the above

Discuss
Answer: (b).the change in momentum suffered by rubber ball is more than the lead ball
Q190.
If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

a.

P + m.a = 0

b.

P - m.a = 0

c.

P x m.a = 0

d.

P/m.a = 0

Discuss
Answer: (b).P - m.a = 0
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