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!

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Q371.
For the characteristic equation s⁡ + s⁴ + 2s³ + 2s² + 3s + 15 = 0, the number of roots in left half s plane are

a.

1

b.

2

c.

3

d.

5

Discuss
Answer: (c).3
Q372.
At corner frequency the phase angle of factor 1/(1 + jωT) is
Discuss
Answer: (d).-45°
Q373.
Frequency response approach is a simple approach to control system design.
Discuss
Answer: (a).True
Q374.
For a second order system with 0 < ΞΎ < 1, the angle which poles make with negative real axis is
Discuss
Answer: (b).cos¯¹ ΞΎ
Q375.
The resolution of a wire wound potentiometer is about
Discuss
Answer: (b).0.1%
Q376.
Consider the following statements

1. The effect of feedback is to reduce system error
2. Feedback increases the system gain at one frequency but reduces the system gain as another frequency
3. Feedback can cause an originally stable system to become unstable

Which of the above statements are correct?
Discuss
Answer: (d).1, 3
Discuss
Answer: (b).M = 1 straight line and real axis
Discuss
Answer: (d).improves steady state behaviour and preserves the transient response of the system
Discuss
Answer: (a).setting s = jω in the network function
Q380.
Assertion (A): Industrial robots improve productivity.

Reason (R): Robots can handle monotonous and complex jobs without error in operation.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A