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.
The efficiency of a square threaded screw is maximum if the helix angle is equal to (where ฯ† = Angle of friction)
Discuss
Answer: (c).45° - ฯ†/2
Q122.
In designing thick cylinders, the equation used is
Discuss
Answer: (d).all of these
Q123.
A double fillet welded joint with parallel fillet weld of length l and leg s is subjected to a tensile force P. Assuming uniform stress distribution, the shear stress in the weld is given by
Discuss
Answer: (c).P/โˆš2.s.l
Q124.
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.
Discuss
Answer: (c).eight times
Discuss
Answer: (d).all of the above
Q126.
The taper on cotter and slot is made on both the sides.
Discuss
Answer: (b).Disagree
Discuss
Answer: (a).low coefficient of friction
Q128.
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)
Discuss
Answer: (b).3 d
Discuss
Answer: (d).screw cutting lathes
Q130.
A parallel sunk key, made of steel, is equally strong in shearing and crushing.
Discuss
Answer: (b).No