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 28 of 31

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Q271.
Non-coplaner non-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.

do not meet at one point but their lines of action lie on the same plane

d.

none of the above

Discuss
Answer: (b).do not meet at one point and their lines of action do not lie on the same plane
Q272.
The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplaner concurrent forces.

a.

lie

b.

do not lie

c.

Can't say

d.

None of these

Discuss
Answer: (b).do not lie
Q273.
A force while acting on a body may

a.

change its motion

b.

balance the forces, already acting on it

c.

give rise to the internal stresses in it

d.

all of these

Discuss
Answer: (d).all of these
Q274.
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
Q275.
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
Q276.
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
Q277.
The negative acceleration is called retardation.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q278.
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
Q279.
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
Q280.
The cartesian equation of trajectory is(where u = Velocity of projection, Ξ± = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.)

a.

y = (gx²/2u² cos²Ξ±) + x. tanΞ±

b.

y = (gx²/2u² cos²Ξ±) - x. tanΞ±

c.

y = x. tanΞ± - (gx²/2u² cos²Ξ±)

d.

y = x. tanΞ± + (gx²/2u² cos²Ξ±)

Discuss
Answer: (c).y = x. tanΞ± - (gx²/2u² cos²Ξ±)
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