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 25 of 48

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Q241.
When time constant T in any factor is varied, the shapes of log magnitude and phase angle curves remain the same.
Discuss
Answer: (a).True
Q242.
Which of the following is not correct for two phase servomotor?
Discuss
Answer: (c).Rotor resistance is low
Discuss
Answer: (a).permanent magnet dc motors
Q244.
The gain margin of first and second order systems is infinite.
Discuss
Answer: (a).True
Q245.
One advantage of using polar plot is that it depicts the frequency response characteristics over the entire frequency.
Discuss
Answer: (a).True
Q246.
The force required to initiate motion between two contacting surfaces is called
Discuss
Answer: (c).static friction
Q247.
Assertion (A): Derivative control action cannot be used alone.

Reason (R): Derivative control action is effective only during transient periods.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q248.
The slope of log magnitude curve near the cut off frequency is called cut off rate.
Discuss
Answer: (a).True
Q249.
Consider the following statements:

The gain margin and phase margin of an unstable system may respectively be

1. positive, positive
2. positive, negative
3. negative, positive
4. negative, negative

Of these statements
Discuss
Answer: (d).2, 3, 4 are correct
Q250.
A first order element yields almost exact duplication only for constant or slowly varying phenomenon.
Discuss
Answer: (a).True