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 47 of 48

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Q461.
The condition for correct steering of a Davis steering gear is (where Ξ± = Angle of inclination of the links to the vertical)

a.

sinΞ± = b/c

b.

cosΞ± = c/b

c.

tan Ξ± = c/2b

d.

cotΞ± = c/2b

Discuss
Answer: (c).tan Ξ± = c/2b
Q462.
The frequency of oscillation of a torsional pendulum is

a.

r/2Ο€k. √(l/g)

b.

r/2Ο€k. √(l/g)

c.

2Ο€r/k. √(g/l)

d.

r/2Ο€k. √(g/l)

Discuss
Answer: (d).r/2Ο€k. √(g/l)
Q463.
A governor is said to be isochronous when range of speed is zero for all radii of rotation of the balls within the working range, neglecting friction.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q464.
An overdamped system, when disturbed from the equilibrium position, will not cross the equilibrium position.

a.

Right

b.

Wrong

c.

Can't say

d.

None of these

Discuss
Answer: (a).Right
Q465.
The efficiency of a screw jack is dependent upon the load raised or lowered.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
Q466.
The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q467.
A pair is said to be a kinematic pair, if the relative motion between them is completely or successfully constrained.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q468.
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
Q469.
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
Q470.
In the below figure, PC is the connecting rod and OC is the crank making an angle ΞΈ with the line of stroke PO and rotates with uniform angular velocity at Ο‰ 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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