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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: Experimentation Of Transfer Functions - Electrical Engineering (EE) MCQ

Test: Experimentation Of Transfer Functions - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: Experimentation Of Transfer Functions

Test: Experimentation Of Transfer Functions for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Experimentation Of Transfer Functions questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Experimentation Of Transfer Functions MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Experimentation Of Transfer Functions below.
Solutions of Test: Experimentation Of Transfer Functions questions in English are available as part of our course for Electrical Engineering (EE) & Test: Experimentation Of Transfer Functions solutions in Hindi for Electrical Engineering (EE) course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Experimentation Of Transfer Functions | 10 questions in 10 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Experimentation Of Transfer Functions - Question 1
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The impulse response of a LTI system is a unit step function, then the corresponding transfer function is

Detailed Solution for Test: Experimentation Of Transfer Functions - Question 1

Answer: a
Explanation: The impulse response of a LTI system is the transfer function itself and hence for the unit step function . As input then the transfer function will be 1/s.

Test: Experimentation Of Transfer Functions - Question 2
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For a type one system, the steady – state error due to step input is equal to

Detailed Solution for Test: Experimentation Of Transfer Functions - Question 2

Answer: b
Explanation: The steady state error is defined as the error between the final value and the desired response and the difference in the value of both will be the steady state error due to step input for type one system is zero.

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Test: Experimentation Of Transfer Functions - Question 3
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 The equation 2s4+s3+3s2+5s+10=0 has roots in the left half of s–plane: 

Detailed Solution for Test: Experimentation Of Transfer Functions - Question 3

Answer: b
Explanation: The roots of the equation can be calculated using Routh-Hurwitz criterion and hence there are 2 sign changes in the first column of the row and therefore the two roots lie on the right half of s-plane.

Test: Experimentation Of Transfer Functions - Question 4
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If the Nyquist plot of the loop transfer function G (s)H (s) of a closed-loop system encloses the (1, j0) point in the G (s)H (s) plane, the gain margin of the system is
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 4

Answer: c
Explanation: Nyquist plot deals with the open loop poles and zero and equals the encirclements to the open loop poles of the system.

Test: Experimentation Of Transfer Functions - Question 5
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Consider the function F (s) =5/s (s2+s+2) , where F (s) is the Laplace transform f (t). Then the final value theorem is equal to 
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 5

Answer: b
Explanation: Final value theorem is given for the stable system only and this is a type 1 system and for step input the final value can be calculated as 5/2.

Test: Experimentation Of Transfer Functions - Question 6
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 The transfer function of a phase-lead controller is given by
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 6

Answer: a
Explanation: For the phase lead controller in which the stability and speed of response is more for the system, the magnitude of the pole must be greater than the magnitude of the zero.

Test: Experimentation Of Transfer Functions - Question 7
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 If the system matrix of a linear time invariant continuous system is given by
Its characteristic equation is given by: 
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 7

Answer: a
Explanation: The transfer function is calculated by the state variable analysis and hence the transfer function is calculated by state transition matrix and taking the inverse Laplace transform.

Test: Experimentation Of Transfer Functions - Question 8
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Given a unity feedback control system with G (s) = K/s(s+4), the value of K for which the damping ratio is 0.5.
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 8

Answer: b
Explanation: The value is found by using the Routh- Hurwitz criteria and equating one of the row of the Routh-Hurwitz criteria equal to zero and hence finding the value of K.

Test: Experimentation Of Transfer Functions - Question 9
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The LVDT is used in the measurement of:
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 9

Answer:a
Explanation: The LVDT is the linear variable differential transformer and it is used to calculate the displacement with the inductor process.

Test: Experimentation Of Transfer Functions - Question 10
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A system with gain margin close to unity and phase margin close to zero is :
Detailed Solution for Test: Experimentation Of Transfer Functions - Question 10

Answer: c
Explanation: A system is relative stable not stable if the phase margin is close to zero then the stability is checked by gain margin.

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