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 31 of 48

Discover more Topics under Mechanical Engineering

Q301.
When two links are connected by a pin joint, their instantaneous centre lies

a.

on their point of contact

b.

at the centre of curvature

c.

at the centre of circle

d.

at the pin joint

Discuss
Answer: (d).at the pin joint
Q302.
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)

a.

[(r² + R²) cosΟ†]/2

b.

[(r² + R²) sinΟ†]/2

c.

[(r + R) cosφ]/2

d.

[(r + R) sinφ]/2

Discuss
Answer: (d).[(r + R) sinφ]/2
Q303.
The periodic time of one oscillation for a simple pendulum is

a.

(1/2Ο€). √(l/g)

b.

(1/2Ο€). √(g/l)

c.

2Ο€. √(l/g)

d.

None of these

Discuss
Answer: (c).2Ο€. √(l/g)
Q304.
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

a.

one lower pair and two additional links

b.

two lower pairs and one additional link

c.

two lower pairs and two additional links

d.

any one of these

Discuss
Answer: (b).two lower pairs and one additional link
Q305.
According to law of gearing, the common normal at the point of contact between a pair of teeth must always pass through the pitch point.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (a).Yes
Q306.
The motion between a pair which takes place in __________ is known as incompletely constrained motion.

a.

one direction only

b.

more than one direction

c.

Can't say

d.

None of these

Discuss
Answer: (b).more than one direction
Q307.
The direction of linear velocity of any point on a link with respect to another point on the same link is

a.

parallel to the link joining the points

b.

perpendicular to the link joining the points

c.

at 45° to the link joining the points

d.

none of the above

Discuss
Answer: (b).perpendicular to the link joining the points
Q308.
The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the centre of gravity is equal to the radius of gyration of the body about its centre of gravity.

a.

zero

b.

minimum

c.

maximum

d.

None of these

Discuss
Answer: (b).minimum
Q309.
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

a.

to move the ship towards star-board

b.

to move the ship towards port side

c.

to raise the bow and lower the stern

d.

to raise the stern and lower the bow

Discuss
Answer: (a).to move the ship towards star-board
Q310.
The unbalanced force due to reciprocating masses

a.

varies in magnitude but constant in direction

b.

varies in direction but constant in magnitude

c.

varies in magnitude and direction both

d.

constant in magnitude and direction both

Discuss
Answer: (a).varies in magnitude but constant in direction
Page 31 of 48