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GATE 2020: Control Systems Rapid Revision Quiz 1
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Question 1
A control system is defined by the following mathematical relationship
The response of the system as t →
is
The response of the system as t →
is Question 2
For the signal-flow graph shown in the figure, which one of the following expressions is equal to the transfer function 
?
? Question 3
The system shown in the given figure, is subjected to a unit ramp input
By closing the switch ‘S’
By closing the switch ‘S’
Question 4
For the characteristic equation
The number of roots with negative real part are _____.
Question 5
Two compensators transfer function are shown below –
= 
, 
= 
Which of the following statement is true about above two compensators –
= , = Which of the following statement is true about above two compensators –
Question 6
The loop gain GH of a closed system is given by the following expression
The value of K for which the system just becomes unstable is
The value of K for which the system just becomes unstable is
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Dec 9ESE & GATE EE
