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 24 of 56

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Q231.
A screw is specified by its
Discuss
Answer: (a).major diameter
Q232.
The wear load should be __________ the dynamic load.
Discuss
Answer: (b).less than
Q233.
The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to
Discuss
Answer: (b).3/(3 + v)
Q234.
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
Discuss
Answer: (b).embeddability
Q235.
The shock resistance of steel is increased by adding
Discuss
Answer: (c).nickel and chromium
Q236.
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T1, and T2 = Tensions on the tight and slack sides of belt respectively, ฮผ = Coefficient of friction, between the belt and pulley, and ฮธ = Angle of contact)
Discuss
Answer: (c).Tโ‚/Tโ‚‚ =eฮผฮธ
Q237.
A flange coupling is a type of rigid coupling.
Discuss
Answer: (a).Correct
Q238.
The strength of the un-riveted plate (P) per pitch length is equal to
Discuss
Answer: (b).p.t.ฯƒt
Q239.
Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

a.

2

b.

4

c.

8

d.

16

Discuss
Answer: (d).16
Q240.
Wahl's stress factor __________ very rapidly as the spring index decreases.
Discuss
Answer: (a).increases