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GATE EC 2022: Control Quiz 4 (App update required to attempt this test)
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Question 1
The characteristic polynomial of a feedback control system is S3 + KS2 + 9S + 18. When the system is marginally stable, the frequency of the sustained oscillation (in rad/sec) is _______
Question 2
The first two rows of Routh’s table of third order characteristics equation are:
S3 3 3
S2 4 4
It can be inferred that the system has
Question 3
Loop transfer function of a unity feedback control system is k/(s + 2)6, (0 < k <∞) then the range of ‘k’ for the system stability is
Question 4
For a unity feedback control system with forward path transfer function determine the steady steady state error transfer function if a step input applied to the system?
Question 5
For the system shown in the figure, s = –2.75 lies on the root locus if K is _______.
Question 6
A feedback control system has an open loop transfer function.
The maximum value of ‘K’ for closed loop system stability is _________
The maximum value of ‘K’ for closed loop system stability is _________
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May 27ESE & GATE EC