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 42 of 48

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Q411.
Under logarithmic decrement, the amplitude of successive vibrations are
Discuss
Answer: (c).in geometric progression
Q412.
The efficiency of a screw jack is maximum, when (where ฮฑ = Helix angle, and ฯ† = Angle of friction)
Discuss
Answer: (b).ฮฑ = 45° - ฯ†/2
Q413.
A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Discuss
Answer: (b).crossed belt drive is recommended
Q415.
The critical speed of a shaft depends upon its
Discuss
Answer: (c).mass and stiffness
Q416.
Which of the following mechanism is an approximate straight line motion mechanism?
Discuss
Answer: (d).all of these
Q417.
A shaft carrying two rotors at its ends will have
Discuss
Answer: (b).one node
Q418.
When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will
Discuss
Answer: (b).oscillate with increasing time period
Q419.
The friction experienced by a body, when at rest, is known as static friction.
Discuss
Answer: (a).Yes
Discuss
Answer: (b).the point of contact