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 24 of 31

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Q231.
The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)

a.

P = mW - C

b.

P = m/W + C

c.

P = mW + C

d.

P = C - mW

Discuss
Answer: (c).P = mW + C
Q232.
The velocity of a body on reaching the ground from a height h, is

a.

2.√(gh)

b.

√(gh)

c.

√(2gh)

d.

2g.√h

Discuss
Answer: (c).√(2gh)
Q233.
The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is

a.

D + d

b.

D - d

c.

D x d

d.

D / d

Discuss
Answer: (d).D / d
Q234.
The unit of force in S.I. system of units is

a.

dyne

b.

kilogram

c.

newton

d.

watt

Discuss
Answer: (c).newton
Q235.
The moment of inertia of a solid cone of mass m and base radius r about its vertical axis is

a.

3mr2/5

b.

3mr2/10

c.

2mr2/5

d.

4mr2/5

Discuss
Answer: (b).3mr2/10
Q236.
A body is said to move or vibrate with simple harmonic motion if its acceleration is directed towards the mean position.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q237.
A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act

a.

downward at its upper end

b.

upward at its upper end

c.

zero at its upper end

d.

perpendicular to the wall at its upper end

Discuss
Answer: (c).zero at its upper end
Q238.
A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

a.

towards the wall at its upper and

b.

away from the wall at its upper end

c.

downward at its upper end

d.

upward at its upper end

Discuss
Answer: (d).upward at its upper end
Q239.
The length of a second's pendulum is

a.

94.9cm

b.

99.4cm

c.

100cm

d.

101cm

Discuss
Answer: (b).99.4cm
Q240.
The slope on the road surface generally provided on the curves is known as

a.

angle of friction

b.

angle of repose

c.

angle of banking

d.

none of these

Discuss
Answer: (c).angle of banking
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