Test: Frequency Domain Analysis of Control Systems - 1

# Test: Frequency Domain Analysis of Control Systems - 1 - Electrical Engineering (EE)

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## 10 Questions MCQ Test GATE Electrical Engineering (EE) 2024 Mock Test Series - Test: Frequency Domain Analysis of Control Systems - 1

Test: Frequency Domain Analysis of Control Systems - 1 for Electrical Engineering (EE) 2023 is part of GATE Electrical Engineering (EE) 2024 Mock Test Series preparation. The Test: Frequency Domain Analysis of Control Systems - 1 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Frequency Domain Analysis of Control Systems - 1 MCQs are made for Electrical Engineering (EE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Frequency Domain Analysis of Control Systems - 1 below.
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Test: Frequency Domain Analysis of Control Systems - 1 - Question 1

### The Bode diagram approach is the most commonly used method for the analysis and synthesis of

Test: Frequency Domain Analysis of Control Systems - 1 - Question 2

### Nichol's chart is a plot of

Test: Frequency Domain Analysis of Control Systems - 1 - Question 3

### The initial slope of Bode plot for a transfer function having no poles at origin is

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 3

With no-pole at origin, initial slope will be OdB/decade.
For n-pole at origin, initial slope will be -20 ndB/decade.

Test: Frequency Domain Analysis of Control Systems - 1 - Question 4

The gain margin of a control system having the loop transfer function G(s)H(s) =

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 4

Test: Frequency Domain Analysis of Control Systems - 1 - Question 5

Gain crossover frequency is the frequency at which the gain of G(jω) is

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 5

Test: Frequency Domain Analysis of Control Systems - 1 - Question 6

For a control system having gain margin of -10 dB, the magnitude of GH(s) for 180° phase shift is

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 6

Test: Frequency Domain Analysis of Control Systems - 1 - Question 7

If the Nyquist plot of the loop transfer function G(s)H(s) of a closed-loop system does not encloses the (-1, j0) point in the G(s)H(s) plane, the gain margin of the system will be

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 7

Since the critical point (-1 + j0 ) is not enclosed, therefore m agnitude of OLTF,  will be less than unity.
Therefore, G.M. = 20 log  will be positive and the system will be stable.

Test: Frequency Domain Analysis of Control Systems - 1 - Question 8

A system with phase margin close to zero or gain margin close to unity is

Test: Frequency Domain Analysis of Control Systems - 1 - Question 9

If the transfer function of a first-order system in  then the time constant of this system will be

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 9

Hence, time constant = T= 5 seconds

Test: Frequency Domain Analysis of Control Systems - 1 - Question 10

The polar plot of

Detailed Solution for Test: Frequency Domain Analysis of Control Systems - 1 - Question 10

Given system is of type-1 and order-2, therefore its polar plot will be as shown below.

Hence, the polar plot will neither cross the real axis nor the imaginary axis.

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## GATE Electrical Engineering (EE) 2024 Mock Test Series

23 docs|285 tests