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 7 of 48

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Q61.
When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

a.

stable

b.

unstable

c.

isochronous

d.

hunt

Discuss
Answer: (d).hunt
Q62.
When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.

a.

smaller

b.

larger

c.

Can't say

d.

None of these

Discuss
Answer: (a).smaller
Q63.
The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as

a.

static friction

b.

dynamic friction

c.

limiting friction

d.

coefficient of friction

Discuss
Answer: (c).limiting friction
Q64.
In a four stroke I.C. engine, the turning moment during the compression stroke is

a.

positive throughout

b.

negative throughout

c.

positive during major portion of the stroke

d.

negative during major portion of the stroke

Discuss
Answer: (b).negative throughout
Q65.
The module is the reciprocal of diametral pitch.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q66.
If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be

a.

stable

b.

unstable

c.

isochronous

d.

none of these

Discuss
Answer: (c).isochronous
Q67.
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular acceleration of the connecting rod is given by

a.

ω sinθ/(n² - sin²θ)^1/2

b.

ω cosθ/(n² - cos²θ)^1/2

c.

ω sinθ/(n² - cos²θ)^1/2

d.

ω cosθ/(n² - sin²θ)^1/2

Discuss
Answer: (d).ω cosθ/(n² - sin²θ)^1/2
Q68.
If the controlling force line for a spring controlled governor when produced intersects the Y-axis above the origin, then the governor is said to be unstable.

a.

Right

b.

Wrong

c.

Can't say

d.

None of these

Discuss
Answer: (a).Right
Q69.
The inversion of a mechanism is

a.

changing of a higher pair to a lower pair

b.

turning its upside down

c.

obtained by fixing different links in a kinematic chain

d.

obtained by reversing the input and output motion

Discuss
Answer: (c).obtained by fixing different links in a kinematic chain
Q70.
The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (b).False
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