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 30 of 31

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Q291.
The velocity ratio of a single purchase crab winch can be increased by

a.

increasing the length of the handle

b.

increasing the radius of the load drum

c.

increasing the number of teeth of the pinion

d.

all of the above

Discuss
Answer: (a).increasing the length of the handle
Q292.
The motion of a wheel of a car is

a.

purely translation

b.

purely rotational

c.

combined translation and rotational

d.

none of these

Discuss
Answer: (c).combined translation and rotational
Q293.
For any system of coplaner forces, the condition of equilibrium is that the

a.

algebraic sum of the horizontal components of all the forces should be zero

b.

algebraic sum of the vertical components of all the forces should be zero

c.

algebraic sum of moments of all the forces about any point should be zero

d.

all of the above

Discuss
Answer: (d).all of the above
Q294.
The ratio of static friction to dynamic friction is always

a.

equal to one

b.

less than one

c.

greater than one

d.

none of these

Discuss
Answer: (c).greater than one
Q295.
A science teacher claimed that Newton's third law of motion is involved while studying the motion of rockets. His statement is

a.

justified

b.

not justified

c.

Can't say

d.

None of these

Discuss
Answer: (a).justified
Q296.
One kg force is equal to

a.

7.8 N

b.

8.9 N

c.

9.8 N

d.

12 N

Discuss
Answer: (c).9.8 N
Q297.
Coefficient of friction depends upon

a.

area of contact only

b.

nature of surface only

c.

both (a) and (b)

d.

none of these

Discuss
Answer: (b).nature of surface only
Q298.
Which of the following statement is correct?

a.

The algebraic sum of the forces, constituting the couple is zero.

b.

The algebraic sum of the forces, constituting the couple, about any point is the same.

c.

A couple cannot be balanced by a single force but can be balanced only by a couple of opposite sense.

d.

all of the above

Discuss
Answer: (d).all of the above
Q299.
The velocity ratio of a differential wheel and axle with D as the diameter of effort wheel and d1,and d2 as the diameters of larger and smaller axles respectively, is

a.

D/(dโ‚ + dโ‚‚)

b.

D/(dโ‚ - dโ‚‚)

c.

2D/(dโ‚ + dโ‚‚)

d.

2D/(dโ‚ - dโ‚‚)

Discuss
Answer: (d).2D/(dโ‚ - dโ‚‚)
Q300.
When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is

a.

Iฯ‰

b.

Iฯ‰²

c.

0.5Iฯ‰

d.

0.5Iฯ‰²

Discuss
Answer: (b).0.5Iฯ‰2
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