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 15 of 48

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Q141.
The cam and follower is an example of

a.

sliding pair

b.

rolling pair

c.

lower pair

d.

higher pair

Discuss
Answer: (d).higher pair
Q142.
Which of the following statement is correct?

a.

The power absorbed in operating the piston valve is less than D-slide valve.

b.

The wear of the piston valve is less than the wear of the D-slide valve.

c.

The D-slide valve is also called outside admission valve.

d.

all of the above

Discuss
Answer: (d).all of the above
Q143.
A point B on a rigid link AB moves with respect to A with angular velocity ฯ‰ rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

a.

vBA x AB

b.

vBA /AB

c.

v²BA

d.

v²BA /AB

Discuss
Answer: (d).v²BA /AB
Q144.
Critical damping is a function of

a.

mass and stiffness

b.

mass and damping coefficient

c.

mass and natural frequency

d.

damping coefficient and natural frequency

Discuss
Answer: (a).mass and stiffness
Q145.
The relation between me number of links (l) and the number of binary joints (j) for a kinematic chain having constrained motion is given by l = l - 2. If the left hand side of this equation is greater than the right hand side, then the chain is

a.

locked chain

b.

completely constrained chain

c.

successfully constrained chain

d.

incompletely constrained chain

Discuss
Answer: (a).locked chain
Q146.
A Porter governor can not be isochronous.

a.

Agree

b.

Disagree

c.

Can't say

d.

None of these

Discuss
Answer: (a).Agree
Q147.
The frictional torque transmitted by a cone clutch is same as that of

a.

flat pivot bearing

b.

flat collar bearing

c.

conical pivot bearing

d.

truncated conical pivot bearing

Discuss
Answer: (d).truncated conical pivot bearing
Q148.
A rotor supported at A and B carries two masses as shown in the below figure. The rotor is

a.

dynamically balanced

b.

statically balanced

c.

statically and dynamically balanced

d.

not balanced

Discuss
Answer: (c).statically and dynamically balanced
Q149.
In the two rotor system as shown in the below figure (I1 < I2), a node of vibration is situated

a.

between I1, and I2 but nearer I1

b.

between I1, and I2 but nearer to I2

c.

exactly in the middle of the shaft

d.

nearer to I1 but outside

Discuss
Answer: (b).between I1, and I2 but nearer to I2
Q150.
In the below figure, PC is the connecting rod and OC is the crank making an angle ฮธ with the line of stroke PO and rotates with uniform angular velocity at ฯ‰ rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral C Q NO, the acceleration of the piston is zero when the crank OC and connecting rod PC are at right angles to each other.

a.

Correct

b.

Incorrect

c.

May be correct or incorrect

d.

None of these

Discuss
Answer: (a).Correct
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