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!

So, are you ready to put your Theory of machines knowledge to the test? Let's get started with our carefully curated MCQs!

Theory of machines MCQs | Page 35 of 48

Discover more Topics under Mechanical Engineering

Q341.
The maximum displacement of a body, from its mean position is called amplitude.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q342.
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle ΞΈ, the angular velocity of the connecting rod is given by

a.

Ο‰ sinΞΈ/(n² - sin²ΞΈ)1/2

b.

Ο‰ cosΞΈ/(n² - cos²ΞΈ)1/2

c.

Ο‰ sinΞΈ/(n² - cos²ΞΈ)1/2

d.

Ο‰ cosΞΈ/(n² - sin²ΞΈ)1/2

Discuss
Answer: (d).Ο‰ cosΞΈ/(n² - sin²ΞΈ)1/2
Q343.
In a differential band brake as shown in the below figure, if the length OB is greater than OA, then the force P at C should act in the downward direction.

a.

Yes

b.

No

c.

May be yes or no

d.

Can't say

Discuss
Answer: (b).No
Q344.
ABCD is a four bar mechanism in which AB = 310 mm and CD = 450 mm. AB and CD are both perpendicular to the fixed link AD, as shown in the below figure. If the velocity of B at this condition is v. Then the velocity of C is

a.

v

b.

2v/3

c.

3v/2

d.

9v/4

Discuss
Answer: (c).3v/2
Q345.
A torsional system with discs of moment of inertia I1 and I2 as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q346.
The total number of instantaneous centres for a mechanism consisting of n links are

a.

n/2

b.

n

c.

n - 1

d.

n(n - 1)/2

Discuss
Answer: (d).n(n - 1)/2
Q347.
The acceleration of a particle moving with simple harmonic motion, at any instant is given by

a.

Ο‰x

b.

Ο‰²x

c.

Ο‰²/x

d.

Ο‰3/x

Discuss
Answer: (b).Ο‰²x
Q348.
The partial balancing means

a.

balancing partially revolving masses

b.

balancing partially reciprocating masses

c.

best balancing of engines

d.

all of these

Discuss
Answer: (b).balancing partially reciprocating masses
Q349.
Which of the following statement is correct as regard to the difference between a machine and a structure?

a.

The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another

b.

The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only

c.

A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work

d.

all of the above

Discuss
Answer: (d).all of the above
Q350.
The coriolis component of acceleration depends upon

a.

velocity of slider

b.

angular velocity of the link

c.

both (a) and (b)

d.

none of these

Discuss
Answer: (c).both (a) and (b)
Page 35 of 48