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.

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Theory of machines MCQs | Page 37 of 48

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Q361.
The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

a.

completely constrained motion

b.

incompletely constrained motion

c.

successfully constrained motion

d.

none of these

Discuss
Answer: (a).completely constrained motion
Q362.
The motion of a shaft in a circular hole is an example of

a.

completely constrained motion

b.

incompletely constrained motion

c.

successfully constrained motion

d.

none of these

Discuss
Answer: (b).incompletely constrained motion
Q363.
The brake commonly used in railway trains is

a.

shoe brake

b.

band brake

c.

band and block brake

d.

internal expanding brake

Discuss
Answer: (a).shoe brake
Q364.
The face of the tooth is the

a.

surface of the top of tooth

b.

surface of tooth above the pitch surface

c.

width of tooth below the pitch surface

d.

width of tooth measured along the pitch circle

Discuss
Answer: (b).surface of tooth above the pitch surface
Q365.
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when

a.

a is + ve and b = 0

b.

a = 0 and b is + ve

c.

a is + ve and b is - ve

d.

a is + ve and b is also + ve

Discuss
Answer: (a).a is + ve and b = 0
Q366.
The acceleration of the particle moving with simple harmonic motion is __________ at the mean position.

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (a).zero
Q367.
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

a.

m/(m + M)

b.

M/(m + M)

c.

(m + M)/m

d.

(m + M)/M

Discuss
Answer: (c).(m + M)/m
Q368.
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

a.

inner edge

b.

outer edge

c.

Can't say

d.

None of these

Discuss
Answer: (a).inner edge
Q369.
The stress induced in a body will be shear stress, when it is subjected to

a.

longitudinal vibrations

b.

transverse vibrations

c.

torsional vibrations

d.

none of these

Discuss
Answer: (c).torsional vibrations
Q370.
A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

a.

tp/16

b.

tp/4

c.

4 tp

d.

16 tp

Discuss
Answer: (b).tp/4
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