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 20 of 31

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Q191.
If the resultant of a number of forces acting on a body is zero, then the body will not be in equilibrium.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q192.
The below figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

a.

P/2

b.

2P

c.

√2P

d.

P/√2

Discuss
Answer: (c).√2P
Q193.
The moment of the force P about O as shown in the below figure is

a.

P x OA

b.

P x OB

c.

P x OC

d.

P x AC

Discuss
Answer: (c).P x OC
Q194.
Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

a.

two times

b.

same

c.

half

d.

None of the above

Discuss
Answer: (a).two times
Q195.
The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, Ξ± = Angle of projection, and Ξ² = Inclination of the plane with the horizontal.)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q196.
Two bodies of masses m1,and m2 are hung from the ends of a rope, passing oyer a frictionless pulley as shown in the figure below. The acceleration of the string will be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q197.
The friction experienced by a body, when at rest, is known as

a.

static friction

b.

dynamic friction

c.

limiting friction

d.

coefficient of friction

Discuss
Answer: (a).static friction
Q198.
The moment of inertia of a solid sphere of mass m and radius r is

a.

2mr2/3

b.

2mr2/5

c.

mr2

d.

mr2/2

Discuss
Answer: (b).2mr2/5
Q199.
The centre of gravity of a quadrant of a circle lies along its central radius (r) at a distance of

a.

0.5r

b.

0.6r

c.

0.7r

d.

0.8r

Discuss
Answer: (b).0.6r
Q200.
The horizontal range of a projectile (R) is given by

a.

R = u² cos2Ξ±/g

b.

R = u² sin2Ξ±/g

c.

R = u² cosΞ±/g

d.

R = u² sinΞ±/g

Discuss
Answer: (b).R = u² sin2Ξ±/g
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