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 31 of 48

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Q301.
Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable.

Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Discuss
Answer: (d).a family of circles
Discuss
Answer: (a).Speed torque characteristics of permanent magnet dc servomotor is more flat than that of wound field dc servomotor
Q304.
Assertion (A): In an automobile the amount of fuel admitted to the engine is adjusted as per the difference between desired and actual speed.

Reason (R): The control signal is the amount of fuel to be admitted to the engine.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Discuss
Answer: (c).gain margin is close to 1 or phase margin is zero
Q306.
For 0 < M < 1, the centres of M circle lie to the right of origin.
Discuss
Answer: (a).True
Q307.
Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.

Reason (R): All root locus asymptotes intersect on real axis.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Discuss
Answer: (d).is an electromechanical device which actuates a train of step angular movements in response to a train of input pulses on one to one basis
Q309.
In a two phase ac servomotor rotor resistance is R and rotor reactance is X. The speed curve will be linear if
Discuss
Answer: (a).X/R << 1
Q310.
From the noise point of view, bandwidth should
Discuss
Answer: (b).not be too large