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Question Practice on Time Domain Analysis Starter Quiz

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Question 1Multiple Correct Options

For no oscillation in unit step response of a second order control system damping ratio must be

Question 2

Which of the following statement is correct regarding second order underdamped control system?

Question 3

The unit step response of the system is given below

C(t) = (1 + 0.2e–60t – 1.2e–10t) u(t)

The response of the system is

Question 4

The forward transfer function of a unity feedback type-1, second order system has a pole at –2. The nature of the gain k is adjusted so that the damping ratio is 0.4. The above system is subjected to input r(t) = 1 + 4t, then the steady state error of the system is.

Question 5

The step response of a linear control system is shown below.

What will be the natural frequency of the system for given response?

Question 6

The open loop transfer function of a unity feedback system is given by,

G(s) = , where T and K are constant having positive value. Find by what factor the amplifier gain to reduced so that the peak overshoot of the unit step response of the system is reduced from 80% to 60%.

Question 7

The transfer function of a LTI system is given as G(s) = 1/(s2+3s+2). The steady state value of output of system for a unit impulse input applied at time instant t = 1 will be ___.
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