Theory of machines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Theory of machines, 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 Theory of machines 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 Theory of machines mcq questions that explore various aspects of Theory of machines problems. Each MCQ is crafted to challenge your understanding of Theory of machines 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 Theory of machines 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 Theory of machines. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Theory of machines MCQs | Page 36 of 48

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Q351.
When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q352.
Which of the following is an example of sliding pair?

a.

Piston and cylinder of a reciprocating steam engine

b.

Shaft with collars at both ends fitted into a circular hole

c.

Lead screw of a lathe with nut

d.

Ball and a socket joint

Discuss
Answer: (a).Piston and cylinder of a reciprocating steam engine
Q353.
The coriolis component of acceleration exists whenever apoint moves along a path that has

a.

linear displacement

b.

rotational motion

c.

gravitational acceleration

d.

tangential acceleration

Discuss
Answer: (b).rotational motion
Q354.
In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (b).Disagree
Q355.
A shaft of mass (mc)and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its transverse vibration is same as for longitudinal vibration.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q356.
A spring controlled governor is said to be unstable when the controlling force

a.

increases as the radius of rotation decreases

b.

increases as the radius of rotation increases

c.

decreases as the radius of rotation increases

d.

remains constant for all radii of rotation

Discuss
Answer: (c).decreases as the radius of rotation increases
Q357.
The equivalent length of a simple pendulum depends upon the distance between the point of suspension and the centre of gravity.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q358.
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

a.

slow speed

b.

moderate speed

c.

highs peed

d.

any one of these

Discuss
Answer: (c).highs peed
Q359.
When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a

a.

screw pair

b.

spherical pair

c.

turning pair

d.

sliding pair

Discuss
Answer: (a).screw pair
Q360.
In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as

a.

tractive force

b.

swaying couple

c.

hammer blow

d.

none of these

Discuss
Answer: (a).tractive force
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