GATE Electrical Engineering (EE) Test: Controllers & Compensators - 1 Free
MCQ Practice Test & Solutions: Test: Controllers & Compensators - 1 (10 Questions)
You can prepare effectively for Electrical Engineering (EE) GATE Electrical Engineering (EE) Mock Test Series 2027 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Controllers & Compensators - 1". These 10 questions have been designed by the experts with the latest curriculum of Electrical Engineering (EE) 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 30 minutes
- - Number of Questions: 10
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A first order dynamic linear system with a proportional controller exhibits an offset to a unit step input. The offset can be reduced by
Detailed Solution: Question 1
. The offset can be reduced by adding integral mode.Addition of zeros in a transfer function causes
Detailed Solution: Question 2
Match List-I (Type of controllers) with List-II (Operation) and select the correct answer using the codes given below the lists:
List-I
A. Hydraulic controller
B. Pneumatic controller
C. Electronic controller
List-II
1. Fire and explosion of proof operation
2. Flexible operation
3. High torque, high speed operation
List-I
A. Hydraulic controller
B. Pneumatic controller
C. Electronic controller
List-II
1. Fire and explosion of proof operation
2. Flexible operation
3. High torque, high speed operation
Consider the following statements related to compensators used in control system applications:
1. When transient response is satisfactory and steady state characteristics are not satisfactory, normally lag compensation is employed.
2. Phase lag network is used to increase system stability and maintain velocity gain constant.
3. The capacitance is not used to fabricate a lag network.
Which of these statements is/are correct?
1. When transient response is satisfactory and steady state characteristics are not satisfactory, normally lag compensation is employed.
2. Phase lag network is used to increase system stability and maintain velocity gain constant.
3. The capacitance is not used to fabricate a lag network.
Detailed Solution: Question 5
The transfer function of a phase-lead controller is given by
Detailed Solution: Question 6
Detailed Solution: Question 7
Addition of a pole to the closed-loop transfer function results in
Which of the following properties is/are not exhibited by a phase lead network?
1. The velocity constant is usually increased.
2. The slope of the magnitude curve is reduced at the gain cross over frequency.
3. The bandwidth is reduced.
4. The response becomes faster.
1. The velocity constant is usually increased.
2. The slope of the magnitude curve is reduced at the gain cross over frequency.
3. The bandwidth is reduced.
4. The response becomes faster.
Detailed Solution: Question 9
Assertion (A): If the phase shift decreases rapidly near the gain cross over frequency, phase lead compensation becomes ineffective.
Reason (R): The additional phase lead at gain crossover frequency is added to a much smaller phase angle than that at the old gain crossover frequency.
Reason (R): The additional phase lead at gain crossover frequency is added to a much smaller phase angle than that at the old gain crossover frequency.
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