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 15 of 56

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Q141.
In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.
Discuss
Answer: (b).Incorrect
Q142.
In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as
Discuss
Answer: (a).helix angle
Discuss
Answer: (b).for applying tension
Q144.
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
Q145.
The smallest diameter of an external or internal screw thread is known as
Discuss
Answer: (a).minor diameter
Q146.
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
Q148.
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)
Q149.
The coefficient of friction between the belt and pulley depends upon the
Discuss
Answer: (d).all of these
Q150.
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
Discuss
Answer: (b).one-third