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 26 of 31

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Q251.
A screw jack used for lifting the loads is

a.

a reversible machine

b.

a non-reversible machine

c.

an ideal machine

d.

none of these

Discuss
Answer: (b).a non-reversible machine
Q252.
The wheels of a moving car possess

a.

potential energy only

b.

kinetic energy of translation only

c.

kinetic energy of rotation only

d.

kinetic energy of translation and rotation both

Discuss
Answer: (d).kinetic energy of translation and rotation both
Q253.
In order to determine the effects of a force, acting on a body, we must know

a.

magnitude of the force

b.

line of action of the force

c.

nature of the force i,e. whether the force is push or pull

d.

all of the above

Discuss
Answer: (d).all of the above
Q254.
The negative acceleration is called retardation.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q255.
The maximum displacement of a body, from its mean position is called amplitude.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q256.
A lifting machine lifts a load of 1000N through a distance of 0.2 m by means of an effort of 200N through a distance of 1m. This machine is an ideal one.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q257.
The cartesian equation of trajectory is(where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)

a.

y = (gx²/2u² cos²α) + x. tanα

b.

y = (gx²/2u² cos²α) - x. tanα

c.

y = x. tanα - (gx²/2u² cos²α)

d.

y = x. tanα + (gx²/2u² cos²α)

Discuss
Answer: (c).y = x. tanα - (gx²/2u² cos²α)
Q258.
In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q259.
The acceleration of a particle moving with simple harmonic motion is proportional to the displacement of the particle from the mean position.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q260.
The unit of moment of inertia of an area is

a.

kg-m²

b.

kg-m-s²

c.

kg/m²

d.

m⁴

Discuss
Answer: (d).m⁴
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