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 13 of 56

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Q121.
When spring index increases, the value of Wahl's stress factor
Discuss
Answer: (d).increases exponentially
Discuss
Answer: (d).antifriction bearings
Q123.
The backlash for spur gears depends upon
Discuss
Answer: (d).both (a) and (b)
Q124.
The size of a gear is usually specified by
Discuss
Answer: (b).pitch circle diameter
Q125.
The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are ฮตc and ฮตl respectively. The change in volume of the boiler cylinder per unit volume will be
Discuss
Answer: (b).2ฮตc + ฮตl
Q126.
The bearings of heavy series have capacity __________ over the medium series.
Discuss
Answer: (b).20 to 30%
Discuss
Answer: (d).all of the above
Q128.
The maximum normal stress theory is used for
Discuss
Answer: (a).brittle materials
Q129.
When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as
Discuss
Answer: (d).spiral gearing
Q130.
When a nut is tightened by placing a washer below it, the bolt will be subjected to
Discuss
Answer: (a).tensile stress