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 35 of 56

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Q341.
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to
Discuss
Answer: (c).ensure uniform loading
Q342.
If T1 and T2 are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to
Discuss
Answer: (d).(T1 + T2 + Tc)/2
Q343.
The smallest diameter of an external or internal screw thread is known as
Discuss
Answer: (a).minor diameter
Q344.
The process which improves the machinability of steels, but lowers the hardness and tensile strength is
Discuss
Answer: (d).spheroidising
Discuss
Answer: (b).A key is subjected to tensile stresses
Q346.
The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket)
Discuss
Answer: (c).p = D sin (180°/T)
Q347.
The coefficient of friction between the belt and pulley depends upon the
Discuss
Answer: (d).all of these
Q348.
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
Discuss
Answer: (b).one-third
Q349.
The pitch diameter is the __________ diameter of an external or internal screw thread.
Discuss
Answer: (a).effective
Q350.
When a hole of diameter 'd' is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where ฯ„u = Ultimate shear strength of the material of the plate)
Discuss
Answer: (b).ฯ€d.t.ฯ„u