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.

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Theory of machines MCQs | Page 47 of 48

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Q461.
The equation of motion for a vibrating system with viscous damping is , if the roots of the equation are __________ then the system will be under damped.

a.

equal

b.

real

c.

complex conjugate

d.

None of these

Discuss
Answer: (c).complex conjugate
Q462.
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

a.

to dip the nose and tail

b.

to raise the nose and tail

c.

to raise the nose and dip the tail

d.

to dip the nose and raise the tail

Discuss
Answer: (c).to raise the nose and dip the tail
Q463.
A mechanism is an assemblage of

a.

two links

b.

three links

c.

four or more than four links

d.

all of these

Discuss
Answer: (c).four or more than four links
Q464.
In a simple harmonic motion, the velocity vector with respect to displacement vector

a.

is in phase

b.

leads by 90°

c.

leads by 180°

d.

lags by 90°

Discuss
Answer: (d).lags by 90°
Q465.
When a point moves along a straight line, its acceleration will have

a.

radial component only

b.

tangential component only

c.

coriolis component only

d.

radial and tangential components both

Discuss
Answer: (b).tangential component only
Q466.
The primary unbalanced force of reciprocating masses is inversely proportional to the crank radius.

a.

Yes

b.

No

c.

Can't say

d.

None of these

Discuss
Answer: (b).No
Q467.
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

a.

Ο‰²R cos ΞΈ

b.

Ο‰2(R - r1)cos ΞΈ

c.

Ο‰²(R - r1)sin ΞΈ

d.

Ο‰²r1 sin ΞΈ

Discuss
Answer: (b).Ο‰²(R - r1)cos ΞΈ
Q468.
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

a.

0

b.

1

c.

2

d.

-1

Discuss
Answer: (a).0
Q469.
The sense of coriolis component 2 Ο‰v is same as that of the relative velocity vector v rotated at

a.

45° in the direction of rotation of the link containing the path

b.

45° in the direction opposite to the rotation of the link containing the path

c.

90° in the direction of rotation of the link containing the path

d.

180° in the direction opposite to the rotation of the link containing the path

Discuss
Answer: (c).90° in the direction of rotation of the link containing the path
Q470.
The condition for correct steering of a Davis steering gear is (where Ξ± = Angle of inclination of the links to the vertical)

a.

sinΞ± = b/c

b.

cosΞ± = c/b

c.

tan Ξ± = c/2b

d.

cotΞ± = c/2b

Discuss
Answer: (c).tan Ξ± = c/2b
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