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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Q251.
If Z is the number of zeros of 1 + G(s) H(s) in the right half s plane. N is the number of clockwise encircle elements of (-1 + jo) point. P is the number of poles of G(s) H(s) in right half s plane. The Nyquist stability criterion can be expressed as
Discuss
Answer: (a).Z = N + P
Q252.
The number of stator field windings in an ac tachometer are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q253.
The radius of constant N circle for N = 1 is
Discuss
Answer: (d).1/√2
Q254.
In using Nyquist stability criterion it is not necessary to determine closed loop poles.
Discuss
Answer: (a).True
Q255.
The angular location of poles depends on
Discuss
Answer: (b).damping ratio
Q256.
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
Q257.
At corner frequency the phase angle of factor 1/(1 + jωT) is
Discuss
Answer: (d).-45°
Q258.
Frequency response approach is a simple approach to control system design.
Discuss
Answer: (a).True
Q259.
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
Q260.
The resolution of a wire wound potentiometer is about
Discuss
Answer: (b).0.1%