Theory of machines MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Theory of machines, 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 Theory of machines 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 Theory of machines mcq questions that explore various aspects of Theory of machines problems. Each MCQ is crafted to challenge your understanding of Theory of machines 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 Theory of machines 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 Theory of machines. 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 Theory of machines knowledge to the test? Let's get started with our carefully curated MCQs!

Theory of machines MCQs | Page 9 of 48

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Q81.
In a force-closed pair, the two elements of a pair are not held together mechanically.
Discuss
Answer: (b).Disagree
Q82.
Maximum fluctuation of energy in a flywheel is equal to (where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ฯ‰ = Mean angular speed = )
Discuss
Answer: (d).all of these
Discuss
Answer: (b).perpendicular to the sliding surface
Q84.
The primary unbalanced force is maximum __________ in one revolution of the crank.
Discuss
Answer: (a).twice
Q85.
The instantaneous centres which vary with the configuration of mechanism, are called
Discuss
Answer: (c).neither fixed nor permanent instantaneous centres
Q86.
The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r1 = Minimum radius of the cam, r2 = Radius of the roller follower, and ฮธ = Angle turned by the cam from the beginning of the follower displacement)
Discuss
Answer: (d).(r1 + r2)
Q87.
In considering friction of a V-thread, the virtual coefficient of friction (ฮผ1) is given by
Discuss
Answer: (d).ฮผโ‚ = ฮผ/cos ฮฒ
Q88.
The wear of bearing is proportional to velocity and pressure.
Discuss
Answer: (a).Yes
Q89.
The maximum or minimum value of the swaying couple is
Discuss
Answer: (c).± (1 - c)m.ฯ‰².r
Q90.
For an involute gear, the ratio of base circle radius and pitch circle radius is equal to
Discuss
Answer: (b).cos ฯ†