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 25 of 56

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Q241.
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

a.

normal pitch

b.

axial pitch

c.

diametral pitch

d.

module

Discuss
Answer: (b).axial pitch
Q242.
Which of the following property is desirable in parts subjected to shock and impact loads?

a.

Strength

b.

Stiffness

c.

Brittleness

d.

Toughness

Discuss
Answer: (d).Toughness
Q243.
In block brakes, the ratio of shoe width to wheel diameter is taken between

a.

0.1 and 0.25

b.

0.25 and 0.50

c.

0.50 and 0.75

d.

0.75 and 1

Discuss
Answer: (b).0.25 and 0.50
Q244.
Oldham coupling is used to transmit power between two parallel shafts which are slightly offset.

a.

True

b.

False

c.

Can't say

d.

None of these

Discuss
Answer: (a).True
Q245.
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

a.

2000 N-m

b.

2050 N-m

c.

2100 N-m

d.

2136 N-m

Discuss
Answer: (d).2136 N-m
Q246.
When a machine member is subjected to torsion, the torsional shear stress set up in the member is

a.

zero at both the centroidal axis and outer surface of the member

b.

maximum at both the centroidal axis and outer surface of the member

c.

zero at the centroidal axis and maximum at the outer surface of the member

d.

maximum at the centroidal axis and zero at the outer surface of the member

Discuss
Answer: (c).zero at the centroidal axis and maximum at the outer surface of the member
Q247.
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle

a.

increases

b.

decreases

c.

remains unchanged

d.

None of these

Discuss
Answer: (a).increases
Q248.
In cylindrical cams, the follower moves

a.

in a direction perpendicular to the cam axis

b.

in a direction parallel to the cam axis

c.

in any direction irrespective of cam axis

d.

along the cam axis

Discuss
Answer: (b).in a direction parallel to the cam axis
Q249.
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
Q250.
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
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