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 29 of 48

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Q281.
A disc is a spinning with an angular velocity Ο‰ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and Ο‰P = Angular velocity of precession of the axis of spin)
Discuss
Answer: (d).IωωP
Q282.
The height of a Watt's governor (in metres) is equal to (where N = Speed of the arm and ball about the spindle axis)
Discuss
Answer: (c).895/N²
Q283.
A slider moving on a fixed link having constant radius of curvature will have its instantaneous centre at the centre of the circle.
Discuss
Answer: (a).Agree
Q284.
According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centres will lie on a
Discuss
Answer: (a).straight line
Q285.
The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.
Discuss
Answer: (a).Agree
Q286.
The periodic time is given by (where Ο‰ = Angular velocity of the particle in rad/s)
Discuss
Answer: (b).2Ο€/Ο‰
Q287.
When two links are connected by a pin joint, their instantaneous centre lies
Discuss
Answer: (d).at the pin joint
Q288.
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and Ο† = Pressure angle)
Discuss
Answer: (d).[(r + R) sinφ]/2
Q289.
The periodic time of one oscillation for a simple pendulum is
Discuss
Answer: (c).2Ο€. √(l/g)
Q290.
The relation l = (j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to
Discuss
Answer: (b).two lower pairs and one additional link