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 41 of 48

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Q401.
The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.
Discuss
Answer: (a).True
Q402.
For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)
Discuss
Answer: (a).is -90°
Q403.
In terms of ΞΎ and Ο‰n the settling time (5% criterion) of a second order system for a step input, is equal to
Discuss
Answer: (c).3/ΞΎΟ‰n
Discuss
Answer: (a).are simple and lie on jω axis
Q405.
G(s) = 1/(s² + 0.2s + 1). It is required that response settles to within 2% of final value for a step input. The settling time is
Discuss
Answer: (b).40 sec
Q406.
If zeros at infinity are included in the count, the number of zeros of G(s) H(s) is
Discuss
Answer: (a).equal to number of poles
Q407.
The distance of poles from origin depends on
Discuss
Answer: (a).undamped natural frequency
Q408.
In the field controlled motor the entire damping comes from
Discuss
Answer: (c).motor friction and load
Q409.
Assertion (A): An on off controller gives rise to oscillation of the output between two limits.

Reason (R): Location of a pair of poles on jω axis gives rise to self sustained oscillations in the output.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q410.
Consider the following statements about transport-lag

1. It is of non-minimum phase behaviour
2. It normally exists in thermal, hydraulic and pneumatic systems
3. It has an excessive phase lag with no attenuation at high frequency

Which of the above statements are correct?
Discuss
Answer: (c).All