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 18 of 48

Discover more Topics under Mechanical Engineering

Q171.
The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l1 and l2 = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body)

a.

l1 = kG

b.

l2 = kG

c.

l1l2 = kG

d.

l1l2 = kG²

Discuss
Answer: (d).l1l2 = kG²
Q172.
A Porter governor is a

a.

pendulum type governor

b.

dead weight governor

c.

spring loaded governor

d.

inertia governor

Discuss
Answer: (b).dead weight governor
Q173.
The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ฯ‰ = Angular speed of crank, r = Radius of crank, ฮธ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)

a.

m.ฯ‰².r sin ฮธ

b.

m.ฯ‰².r cos ฮธ

c.

m.ฯ‰².r

d.

m.ฯ‰².r

Discuss
Answer: (d).m.ฯ‰².r
Q174.
A type-writer constitutes a machine.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q175.
Due to slip of belt, the velocity ratio of the belt drive increases.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q176.
When the sleeve of a Porter governor moves downwards, the governor speed

a.

increases

b.

decreases

c.

remains unaffected

d.

first increases and then decreases

Discuss
Answer: (b).decreases
Q177.
When one of the links of a kinematic chain is fixed, the chain is known as a

a.

structure

b.

mechanism

c.

inversion

d.

machine

Discuss
Answer: (b).mechanism
Q178.
The natural frequency of free transverse vibrations of a shaft fixed at both ends and carrying a uniformly distributed load is 0.571/ฮดS , where ฮดS is the static deflection of a shaft fixed at both ends and carrying a uniformly distributed load.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q179.
When brakes are applied to all the four wheels of a moving car, the distance travelled by the car before it is brought to rest, will be

a.

maximum

b.

minimum

c.

zero

d.

None of these

Discuss
Answer: (b).minimum
Q180.
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

a.

lead

b.

steam lap

c.

exhaust lap

d.

none of these

Discuss
Answer: (b).steam lap
Page 18 of 48