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 46 of 56

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Q451.
According to maximum shear stress theory, the maximum shear stress in the shaft is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q452.
The included angle for the acme thread is 29°.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q453.
The process extensively used for making bolts and nuts is

a.

hot piercing

b.

extrusion

c.

cold peening

d.

cold heading

Discuss
Answer: (d).cold heading
Q454.
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

a.

0.5 times

b.

equal to

c.

2 times

d.

double

Discuss
Answer: (c).2 times
Q455.
In the levers of first type, the mechanical advantage is __________ one.

a.

less than

b.

equal to

c.

more than

d.

None of these

Discuss
Answer: (c).more than
Q456.
The load placed at the top of the screw in a mechanical screw jack is prevented from rotation by providing a swivelling mechanism.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Discuss
Answer: (a).Correct
Q457.
The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub)

a.

d/8

b.

d/6

c.

d/4

d.

d/2

Discuss
Answer: (c).d/4
Q458.
The shear stress at a point in a shaft subjected to a torque is

a.

directly proportional to the polar moment of inertia and to the distance of the point from the axis

b.

directly proportional to the applied torque and inversely proportional to the polar moment of inertia

c.

directly proportional to the applied torque and the polar moment of inertia

d.

inversely proportional to the applied torque and the polar moment of inertia

Discuss
Answer: (b).directly proportional to the applied torque and inversely proportional to the polar moment of inertia
Q459.
Two concentric helical springs used to provide greater spring force are wound is opposite direction.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q460.
Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

a.

F + P

b.

F - P

c.

P

d.

F

Discuss
Answer: (a).F + P
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