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 15 of 48

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Q141.
The polar plot of the given figure can be for G(jฯ‰) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q142.
The system matrix of continuous time system described in state variable form is given below. The systems is stable for all values of x and y satisfying

a.

x < 1/2, y < 1/2

b.

x > 1/2, y > 0

c.

x < 0, y < 0

d.

x < 0, y < 1/2

Discuss
Answer: (c).x < 0, y < 0
Q143.
For the mechanical system in the given figure the transfer function X(s)/F(s) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q144.
The given figure shows dB magnitude plots for type 0, type 1 and type 2 systems. Out of these

a.

curves 1, 2, 3 are for type 0, 1, 2 systems respectively

b.

curves 1, 2, 3 are for type 2, 1, 0 systems respectively

c.

curves 1, 2, 3 are for type 1, 0, 2 systems respectively

d.

curves 1, 2, 3 are for type 1, 2, 0 systems respectively

Discuss
Answer: (a).curves 1, 2, 3 are for type 0, 1, 2 systems respectively
Q145.
For the given figure, the transfer function X(s)/P(s) =

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q146.
In the given figure shows a root locus plot. Consider the following statements for this plot

1. The open loop system is a second order system
2. The system is overdamped for K > 1
3. The system is stable for all values of K

Which of the above statements are correct?

a.

1, 2, 3

b.

1, 3

c.

2, 3

d.

1, 2

Discuss
Answer: (b).1, 3
Q147.
In the given figure the number of combinations of three non touching loops is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q148.
In the given figure, the curves 1, 2, 3 are respectively for

a.

all pass, minimum phase and non-minimum phase functions

b.

minimum phase, all pass and non-minimum phase functions

c.

non-minimum phase, all pass and minimum phase functions

d.

minimum phase, non-minimum phase and all pass functions

Discuss
Answer: (b).minimum phase, all pass and non-minimum phase functions
Q149.
In the given figure, the number of individual loops is

a.

2

b.

4

c.

5

d.

6

Discuss
Answer: (c).5
Q150.
The block diagram of the given figure for

a.

On-off controller

b.

On-off controller with differential gap

c.

On-off controller with integral gap

d.

Three position controller

Discuss
Answer: (a).On-off controller
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