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 45 of 56

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Q441.
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using
Discuss
Answer: (c).Good man relation
Q442.
The ratio of pitch circle diameter in millimetres to the number of teeth, is called
Discuss
Answer: (c).module
Discuss
Answer: (a).tolerance grade for the hole is 6 and for the shaft is 5
Q444.
Rankine Gordon formula for buckling is valid for
Discuss
Answer: (c).short and long column
Discuss
Answer: (d).inversely proportional to (shaft diameter)4
Q446.
A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be
Discuss
Answer: (b).12 kN/m
Q447.
The radial distance from the __________ to the clearance circle is called working depth.
Discuss
Answer: (a).addendum circle
Q448.
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
Q449.
In designing thick cylinders, the equation used is
Discuss
Answer: (d).all of these
Q450.
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