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 13 of 48

Discover more Topics under Electronics and Communication Engineering

Q121.
The polar plot in the given figure is for G(jฯ‰) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q122.
The transfer function G(s) of a PID controller is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q123.
An RLC series circuit has following equation. If poles p1 and p1* are close to jฯ‰ axis, then

a.

resonant frequency is high

b.

Q is high

c.

bandwidth is large

d.

Q is low

Discuss
Answer: (c).bandwidth is large
Q124.
Given figure shows a magnitude Bode plot. The transfer function for this plot is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q125.
Consider the following systems. (where C(s) is the output and R(s) is the input of these systems)

a.

System I has larger bandwidth and faster speed of response than System II

b.

System II has larger bandwidth and faster speed of response than System I

c.

System I has larger bandwidth but System II has faster speed of response

d.

System II has larger bandwidth but System I has faster speed of response

Discuss
Answer: (a).System I has larger bandwidth and faster speed of response than System II
Q126.
A compensator has its pole and zero as shown in the given figure

a.

lag compensator

b.

lead compensator

c.

lead-lag compensator

d.

series compensator

Discuss
Answer: (b).lead compensator
Q127.
The Nyquist plot in the given figure is for G(s) H(s) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q128.
For a following factor, the log

a.

is a straight line with slope 20 dB/decade

b.

is a straight line with slope 0 dB/decade

c.

is a straight line with slope - 20 dB/decade

d.

is a straight line with slope - 40 dB/decade

Discuss
Answer: (d).is a straight line with slope - 40 dB/decade
Q129.
The given figure shows a hybrid servosystem. The components 1, 2, 3, 4 are respectively

a.

amplifier, demodulator, dc servomotor and load

b.

demodulator, amplifier, dc servomotor and load

c.

demodulator, dc servomotor, amplifier and load

d.

amplifier, dc servomotor, demodulator and load

Discuss
Answer: (a).amplifier, demodulator, dc servomotor and load
Q130.
For the signal flow graph of the given figure consider the following statements

1. It has three forward paths
2. It has three individual loops
3. It has two non touching loops

Out of above the correct statements are

a.

1, 2, 3

b.

1, 2

c.

2, 3

d.

1, 3

Discuss
Answer: (d).1, 3
Page 13 of 48