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.
The current rating of dc tachogenerator is usually
Discuss
Answer: (a).small
Discuss
Answer: (c).both on damping factor and natural frequency
Q133.
If feedback factor is ฮฒ the overall gain of a closed loop system is approximately equal to
Discuss
Answer: (b).1/ฮฒ
Q134.
In control systems the magnitude of error voltage
Discuss
Answer: (a).is very small
Q135.
The slope of log-magnitude asymptote changes by - 40 dB/ decade at a frequency ฯ‰โ‚. This means that
Discuss
Answer: (c).either a double pole or a pair of complex conjugate poles is present
Discuss
Answer: (d).is a straight line with slope - 40 dB/decade
Q137.
The frequency at which magnitude of closed loop frequency response is 3 dB below its zero frequency value is called critical frequency.
Discuss
Answer: (b).False
Q138.
The transfer function 1/(1+jฯ‰T) has the characteristics of high pass filter.
Discuss
Answer: (b).False
Q139.
Assertion (A): Positive feedback is not used in any circuit.

Reason (R): Positive feedback leads to instability.
Discuss
Answer: (d).R is correct but A is wrong
Q140.
If the Nyquist plot does not encircle the (-1 + j0) point the system is always stable.
Discuss
Answer: (b).False