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 14 of 48

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Q131.
For a second order system, the position of poles is shown in the given figure. This system is

a.

undamped

b.

overdamped

c.

underdamped

d.

critically damped

Discuss
Answer: (c).underdamped
Q132.
The pole zero plot of the given figure is for

a.

non-minimum phase function

b.

minimum phase function

c.

all pass function

d.

none of the above

Discuss
Answer: (b).minimum phase function
Q133.
Consider the following expressions which indicate the step or impulse response of an initially relaxed system. Those which correspond to the step and impulse response of the same system include

a.

1 and 3

b.

1 and 4

c.

2 and 4

d.

2 and 3

Discuss
Answer: (a).1 and 3
Q134.
The given figure shows a control system. The maximum value of gain for which the system is stable is

a.

โˆš3

b.

3

c.

4

d.

5

Discuss
Answer: (b).3
Q135.
The log magnitude for the system in the given figure is (where T = RC)

a.

20 log (1 + ฯ‰T)

b.

-20 log (1 + ฯ‰T)

c.

-10 log (1 + ฯ‰²T²)

d.

-20 log (1 + ฯ‰²T²)

Discuss
Answer: (c).-10 log (1 + ฯ‰²T²)
Q136.
In the signal flow graph of the given figure, the number of forward paths is

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q137.
If block diagrams of the given figure (a) and (b) are to be equivalent, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q138.
If block diagrams of the given figure (a) and (b) are to be equivalent, then

a.

G2 = G1

b.

G2 = -G1

c.

G2 = 1/G1

d.

G2 = -1/G1

Discuss
Answer: (a).G2 = G1
Q139.
The pole zero plot in the given figure is for

a.

non-minimum phase function

b.

minimum phase function

c.

all pass function

d.

either (a) or (b)

Discuss
Answer: (c).all pass function
Q140.
The phase angle characteristic in the given figure is for

a.

all pass function

b.

transport lag

c.

minimum phase function

d.

none of the above

Discuss
Answer: (b).transport lag
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