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.
When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is
Discuss
Answer: (a).bending stress only
Q342.
In a journal bearing, the load on the bearing is __________ to the axis of the journal.
Discuss
Answer: (b).perpendicular
Q343.
An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called
Discuss
Answer: (c).pitch circle
Q344.
When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.
Discuss
Answer: (a).Correct
Q345.
If T is the actual number of teeth on a helical gear and Ο† is the helix angle for the teeth, then formative number of teeth is written as
Discuss
Answer: (a).T sec³ Ο†
Q346.
The material generally used for air-craft components is
Discuss
Answer: (d).aluminium
Q347.
The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.
Discuss
Answer: (a).increases
Discuss
Answer: (d).becomes minimum at an optimum speed and then increases with further increase in speed
Q349.
The working of metals above the recrystallisation temperature is known as hot working.
Discuss
Answer: (a).True
Q350.
In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where ΞΌ = Coefficient of friction between the blocks and the drum, ΞΈ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks)
Discuss
Answer: (d).T₁/Tβ‚‚ = [(1 + ΞΌ tanΞΈ)/ (1 - ΞΌ tanΞΈ)]n