Test: Control System- 2


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25 Questions MCQ Test Basic Electronics Engineering for SSC JE (Technical) | Test: Control System- 2

Test: Control System- 2 for Electrical Engineering (EE) 2022 is part of Basic Electronics Engineering for SSC JE (Technical) preparation. The Test: Control System- 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Control System- 2 MCQs are made for Electrical Engineering (EE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Control System- 2 below.
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Test: Control System- 2 - Question 1

The compensator

would provide a maximum phase shift of

Test: Control System- 2 - Question 2

The system with the open -loop transfer function

Test: Control System- 2 - Question 3

Test: Control System- 2 - Question 4

The industrial controller having the best steady -state accuracy is

Test: Control System- 2 - Question 5

consider the following statements :
1. The effect of feedback is to reduce the system error
2. Feedback increases the gain of the system in one frequency range but decreases in another.
3. Feedback can cause a system that is originally stable to become unstable

Which of these statements are correct ?

Test: Control System- 2 - Question 6

The intersection of asymptotes of root -loci of a system with open loop transfer function

Test: Control System- 2 - Question 7

The open-loop transfer function of unity feedback control system is
The system is stable is

Test: Control System- 2 - Question 8

Which one of the following characteristicequations of result in the stable operation of thefeedback system ?

Test: Control System- 2 - Question 9

Consider the following statements:

Routh-Hurwitz critierion gives
1. aboslute stability
2. the number of roots lying on the right half of the s-plane
3. the gainmargin and phase margin

Which of these statements are correct ?

Test: Control System- 2 - Question 10

A second order system has the damping ratio xand undamped natural frequency of oscillation wn.The setting time at 2% tolerance band of thesystem is

Test: Control System- 2 - Question 11

Consider the following statements:
A proportional plus derivative controller
1. has high sensitivity
2. increases the stability of the system
3. improves the steady-state accuracy

Which of these statements are correct ?

Test: Control System- 2 - Question 12

The open loop transfer function of a system is

The phase crossover frequency  is

Test: Control System- 2 - Question 13

Open loop transfer function of a system havingone zero with a positive real value is called

Test: Control System- 2 - Question 14

The given characteristic polynomial
s4 + s3 + 2s2 + 2s + 3 =0 has

Test: Control System- 2 - Question 15

Which one of the following is the steady-state error for a step input applied to a unity feedbook system with the open loop transfer Function

Test: Control System- 2 - Question 16

The open -loop transfer function of a unity feedback control system is given as



The phase crossover frequency and the gain margin are, respectively (Correct the options)

Test: Control System- 2 - Question 17

The transfer function of a phase lead network can be written as

Test: Control System- 2 - Question 18

A control system has

Root locus of the system can lie on the real axis

Test: Control System- 2 - Question 19

Consider the following open loop frequency response of a unit feedback system:

The gain and phase margin of the system arerespectively

Test: Control System- 2 - Question 20

The transfer function of a phase lead network, as shown in the figure below is

The values, of R1 and R2 are respectively

Test: Control System- 2 - Question 21

The forward path transfer function of a unity feedback system is given by 

What is the phase margin for this system ?

Test: Control System- 2 - Question 22

Which one of the following statement is correct?

The effects of phase lead compensator on gain crossover frequency () and the bandwidth(BW) are

Test: Control System- 2 - Question 23

What is the unit step response of a unity feedback control system having forward path transfer function

Test: Control System- 2 - Question 24

An open loop system has a transferfunction . it is converted into aclosed loop system by providing a negative feedback having transfer function 20 (s+ 1).Which one of the following is correct ?The open loop and closed loop systems are,respectively

Test: Control System- 2 - Question 25

With regard to the filtering property, the leadcompensator and the lag compensator are,respectively.

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