Machine Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Machine Design, 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 Machine Design 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 Machine Design mcq questions that explore various aspects of Machine Design problems. Each MCQ is crafted to challenge your understanding of Machine Design 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 Machine Design 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 Machine Design. 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 Machine Design knowledge to the test? Let's get started with our carefully curated MCQs!

Machine Design MCQs | Page 8 of 56

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Q71.
According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

a.

d2 x ฯ„ x n

b.

1.875 x d2 x ฯ„ x n

c.

2 x d2 x ฯ„ x n

d.

3 x d2x ฯ„ x n

Discuss
Answer: (b).1.875 x d2 x ฯ„ x n
Q72.
Which of the following material has the maximum ductility?

a.

Mild steel

b.

Copper

c.

Zinc

d.

Aluminium

Discuss
Answer: (a).Mild steel
Q73.
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

a.

head

b.

shank

c.

thread

d.

middle

Discuss
Answer: (c).thread
Q74.
In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q75.
An open belt drive is used when

a.

shafts are arranged parallel and rotate in the opposite directions

b.

shafts are arranged parallel and rotate in the same directions

c.

shafts are arranged at right angles and rotate in one definite direction

d.

driven shaft is to be started or stopped whenever desired without interferring with the driving shaft

Discuss
Answer: (b).shafts are arranged parallel and rotate in the same directions
Q76.
In unilateral system of tolerance, the tolerance is allowed on

a.

one side of the actual size

b.

one side of the nominal size

c.

both sides of the actual size

d.

both sides of the nominal size

Discuss
Answer: (b).one side of the nominal size
Q77.
The velocity of sliding __________ the distance of the point of contact from the pitch point.

a.

is directly proportional to

b.

is inversely proportional to

c.

is equal to cos ฯ† multiplied by

d.

does not depend upon

Discuss
Answer: (a).is directly proportional to
Q78.
A column is known as a long column if the slenderness ratio is

a.

40

b.

50

c.

70

d.

100

Discuss
Answer: (d).100
Q79.
Circumferential joint in boilers is used to get the required length of a boiler.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q80.
The ball bearings are provided with a cage

a.

to reduce friction

b.

to facilitate slipping of balls

c.

to prevent the lubricant from flowing out

d.

to maintain the balls at a fixed distance apart

Discuss
Answer: (d).to maintain the balls at a fixed distance apart
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