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 31 of 48

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Q301.
There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is

a.

1/24

b.

1/8

c.

4/15

d.

12

Discuss
Answer: (a).1/24
Q302.
The velocity of a body moving with simple harmonic motion is __________ at the mean position.

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (c).maximum
Q303.
A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2 L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will

a.

remain same as before

b.

become equal to 2 R

c.

become equal to R/2

d.

become equal to R/4

Discuss
Answer: (a).remain same as before
Q304.
If the pressure angle is __________ , a reciprocating follower will jam in its bearings.

a.

too small

b.

too large

c.

Can't say

d.

None of these

Discuss
Answer: (b).too large
Q305.
The D-slide valve is also known as

a.

inside admission valve

b.

outside admission valve

c.

piston slide valve

d.

none of these

Discuss
Answer: (b).outside admission valve
Q306.
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a

a.

D-slide valve

b.

governor

c.

Meyer's expansion valve

d.

flywheel

Discuss
Answer: (b).governor
Q307.
V-belts are usually used for

a.

long drives

b.

short drives

c.

long and short drives

d.

none of these

Discuss
Answer: (b).short drives
Q308.
Sensitiveness of the governor is defined as the ratio of the

a.

mean speed to the maximum equilibrium speed

b.

mean speed to the minimum equilibrium speed

c.

difference of the maximum and minimum equilibrium speeds to the mean speed

d.

sum of the maximum and minimum equilibrium speeds to the mean speed

Discuss
Answer: (c).difference of the maximum and minimum equilibrium speeds to the mean speed
Q309.
The two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as

a.

spur gearing

b.

helical gearing

c.

bevel gearing

d.

spiral gearing

Discuss
Answer: (a).spur gearing
Q310.
The relative velocity of B with respect to A in a rigid link AB is

a.

parallel to AB

b.

perpendicular to AB

c.

along AB

d.

at 45° to AB

Discuss
Answer: (b).perpendicular to AB
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