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 27 of 56

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Q261.
Stress concentration factor is defined as the ratio of

a.

maximum stress to the endurance limit

b.

nominal stress to the enurance limit

c.

maximum stress to the nominal stress

d.

nominal stress to the maximum stress

Discuss
Answer: (c).maximum stress to the nominal stress
Q262.
The property of a bearing material which has the ability to accomodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as

a.

bondability

b.

embeddability

c.

comformability

d.

fatigue strength

Discuss
Answer: (c).comformability
Q263.
In the levers of __________ type, the mechanical advantage is less than one.

a.

first

b.

second

c.

third

d.

None of these

Discuss
Answer: (c).third
Q264.
A hollow saddle key is

a.

a taper key which fits half in the key way of hub and half in the key way of shaft

b.

a taper key which fits in a key way of the hub and is flat on the shaft

c.

a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft

d.

provided in pairs at right angles and each key is to withstand torsion in one direction only

Discuss
Answer: (c).a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft
Q265.
Pitch point of a cam is

a.

a point on the pitch curve having minimum pressure angle

b.

a point on the pitch curve having maximum pressure angle

c.

any point on the pitch curve

d.

any point on the pitch circle

Discuss
Answer: (b).a point on the pitch curve having maximum pressure angle
Q266.
When two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft, the arrangement is known as spiral gearing.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q267.
A screw is specified by its

a.

major diameter

b.

minor diameter

c.

pitch diameter

d.

pitch

Discuss
Answer: (a).major diameter
Q268.
The wear load should be __________ the dynamic load.

a.

equal to

b.

less than

c.

greater than

d.

None of these

Discuss
Answer: (b).less than
Q269.
The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to

a.

0.75/(0.75 + √v)

b.

3/(3 + v)

c.

4.5/(4.5 + v)

d.

6/(6 + v)

Discuss
Answer: (b).3/(3 + v)
Q270.
The property of a bearing material which has the ability to accomodate small particles of dust, grit etc. without scoring the material of the journal, is called

a.

bondability

b.

embeddability

c.

comformability

d.

fatigue strength

Discuss
Answer: (b).embeddability
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