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GATE 2025 Control Systems Evaluation Quiz 12

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Question 1

If a second order system has poles at – 1 ± j then the step response of the system will exhibit a second peak value at _____ sec

Question 2

The state variable representation of a system is given by the following equations

y =

If the given system is said to be uncontrollable the value of a should be ______

Question 3

An open loop transfer function of a unity feedback system is G(S) = K/s(s+5). The value of ‘k’ that will result is a phase margin of 50 degrees in approximately ____

Question 4

The Nyquist plot of G(s)H(s) which has one right hand pole is given below. The corresponding closed loop system is

Question 5

consider a plant whose transfer function is . The magnitude of resonant peak in dB is_________
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Mar 27ESE & GATE EC