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 45 of 48

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Q441.
Which dc servomotor requires strongest permanent magnet?
Discuss
Answer: (c).Surface wound with stationary rotor
Discuss
Answer: (c).magnitude and phase angle loci in log-magnitude versus phase diagram
Q443.
Consider the following statements about root locus

1. The intersection of root locus branches with the imaginary axis can be determined by the use of Routh criterion
2. Segments of real axis having an odd number of real axis open loop poles plus zeros to their right are not parts of root locus
3. The number of root locus branches terminating on infinity is always zero

Which of the above statements are correct?
Discuss
Answer: (b).1 and 2 only
Q444.
The poles with greater displacement from the real axis correspond to
Discuss
Answer: (a).higher frequencies of oscillations
Discuss
Answer: (a).Wind screen wiper
Q446.
Which of the following is used to obtain output position in a position control system?
Discuss
Answer: (b).Load cell
Q447.
In a synchro transmitter-control transformer, the voltage induced in rotor winding of control transformer is zero when the angular displacement between rotors of transmitter and transformer is
Discuss
Answer: (b).90°
Discuss
Answer: (c).both (a) and (b)
Q449.
Assertion (A): If points at infinity are included, G(s) has same number of poles and zeros.

Reason (R): The function G(s) = K(s+2) / (s+5)² has a zero at s = - 2.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q450.
If the characteristic equation is (ฮป + 1) (ฮป + 2) (ฮป + 3) = 0, the eigen values are
Discuss
Answer: (a).-1, -2, -3