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 8 of 48

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Q71.
If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be
Discuss
Answer: (c).isochronous
Q72.
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle ΞΈ, the angular acceleration of the connecting rod is given by
Discuss
Answer: (d).Ο‰ cosΞΈ/(n² - sin²ΞΈ)^1/2
Q73.
If the controlling force line for a spring controlled governor when produced intersects the Y-axis above the origin, then the governor is said to be unstable.
Discuss
Answer: (a).Right
Discuss
Answer: (c).obtained by fixing different links in a kinematic chain
Q75.
The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
Discuss
Answer: (b).False
Q76.
When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
Discuss
Answer: (d).sliding pair
Q77.
The velocity of a particle moving with simple harmonic motion, at any instant is given by (where Ο‰ = Displacement of the particle from mean position)
Discuss
Answer: (a).Ο‰ √(r² - x²)
Q78.
The velocity of piston in a reciprocating steam engine is given by (where Ο‰ = Angular velocity of crank, r = Radius of crank pin circle, ΞΈ = Angle turned by crank from inner dead centre, and n = Ratio of length of connecting rod to the radius of crank)
Discuss
Answer: (a).Ο‰r [sin ΞΈ + (sin 2ΞΈ/n)]
Q79.
Which of the following is a higher pair?
Discuss
Answer: (a).Belt and pulley
Q80.
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
Discuss
Answer: (d).average tension of the tight side and slack side of the belt