Automatic Control Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Automatic Control Systems, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Automatic Control Systems 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 Automatic Control Systems mcq questions that explore various aspects of Automatic Control Systems problems. Each MCQ is crafted to challenge your understanding of Automatic Control Systems principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Automatic Control Systems MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Automatic Control Systems. 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 Automatic Control Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Automatic Control Systems MCQs | Page 33 of 48

Discover more Topics under Electronics and Communication Engineering

Q321.
If G(s)H(s) = K/s²(s²+2s+2), the angle of departure of root locus at s = - 1 + j is

a.

zero

b.

90°

c.

-90°

d.

-180°

Discuss
Answer: (d).-180°
Q322.
Accurate amplitude measurements can be made more easily than accurate phase shift measurements.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q323.
A synchro transmitter receiver unit is a

a.

two phase ac device

b.

3 phase ac device

c.

dc device

d.

1 phase ac device

Discuss
Answer: (d).1 phase ac device
Q324.
The transfer function of transportation lag is

a.

G(jฯ‰) = e^(jฯ‰T)

b.

G(jฯ‰) = e^(-jฯ‰T)

c.

G(jฯ‰) = (1 + jฯ‰T)

d.

G(jฯ‰) = (1 - jฯ‰T)

Discuss
Answer: (b).G(jฯ‰) = e^(-jฯ‰T)
Q325.
The phase difference (jฯ‰ - p1) means

a.

phasor drawn from p1 to jฯ‰

b.

phasor drawn from origin to p1

c.

phasor directed from origin to jฯ‰ point

d.

phasor directed from jฯ‰ to p1

Discuss
Answer: (a).phasor drawn from p1 to jฯ‰
Q326.
If poles lie in first quadrant, damping ratio is

a.

1

b.

more than 1

c.

less than 1

d.

zero

Discuss
Answer: (c).less than 1
Q327.
For type 0 system the starting point (i.e. ฯ‰ = 0) of polar plot is finite and is on positive real axis.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q328.
Which control action can never be used alone?

a.

Proportional

b.

Derivative

c.

Integral

d.

Both (b) and (c)

Discuss
Answer: (b).Derivative
Q329.
If G(s)H(s) = K/s(s+1)(s²+4s+20), the number of branches of root locus are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q330.
N circles for ฮฑ = ฮฑ1, and ฮฑ = ฮฑ1 ± 180° n (where n = 1, 2, 3, ....) are the same.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Page 33 of 48