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 2 of 48

Discover more Topics under Mechanical Engineering

Q11.
The steering of a ship means

a.

movement of a complete ship up and down in vertical plane about transverse axis

b.

turning of a complete ship in a curve towards right or left, while it moves forward

c.

rolling of a complete ship side-ways

d.

none of the above

Discuss
Answer: (b).turning of a complete ship in a curve towards right or left, while it moves forward
Q12.
The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)

a.

m.ω².r cos θ

b.

c.m.ω².r sin θ

c.

(1 - c)m.ω².r(cos θ - sin θ)

d.

m.ω².r(cos θ - sin θ)

Discuss
Answer: (c).(1 - c)m.ω².r(cos θ - sin θ)
Q13.
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

a.

dedendum

b.

addendum

c.

clearance

d.

working depth

Discuss
Answer: (a).dedendum
Q14.
When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

a.

minimum

b.

zero

c.

maximum

d.

none of these

Discuss
Answer: (b).zero
Q15.
The frictional torque transmitted in a multi-collared shaft is same as that of a single collared shaft.

a.

Right

b.

Wrong

c.

Can't say

d.

None of these

Discuss
Answer: (a).Right
Q16.
In order to give the primary balance of the reciprocating parts of a multi-cylinder in-line engines,

a.

the algebraic sum of the primary forces must be equal to zero

b.

the algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero

c.

both (a) and (b)

d.

none of these

Discuss
Answer: (c).both (a) and (b)
Q17.
The gear train usually employed in clocks is a

a.

simple gear train

b.

reverted gear train

c.

sun and planet gear

d.

differential gear

Discuss
Answer: (b).reverted gear train
Q18.
A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

a.

1.4 N-s/m

b.

18.52 N-s/m

c.

52.92 N-s/m

d.

529.2 N-s/m

Discuss
Answer: (c).52.92 N-s/m
Q19.
When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

a.

lower pair

b.

higher pair

c.

self-closed pair

d.

force-closed pair

Discuss
Answer: (a).lower pair
Q20.
The two elements of a pair are said to form a __________ when they permit relative motion between them.

a.

open pair

b.

kinematic pair

c.

Can't say

d.

None of these

Discuss
Answer: (b).kinematic pair
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