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Gate 2019: Control System Quiz 2
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Question 1
Which of these are symmetrically located roots
i. pair of conjugate roots on the imaginary axis
ii. pair of real roots with opposite sign
iii. complex conjugate roots forming quadrates
i. pair of conjugate roots on the imaginary axis
ii. pair of real roots with opposite sign
iii. complex conjugate roots forming quadrates
Question 2
A control system with certain excitation is governed by the following mathematical equation 
then the natural time constants of the response of the systems are
Question 3
The signal flow graph for a system is given below. The transfer function 
for this system is
for this system is Question 4
A single flow graph of a system is given below
The set of equations that correspond to this signal flow graph is
The set of equations that correspond to this signal flow graph is
Question 5
For the signal flow graph shown in figure, the value of 
is
is Question 6
The signal flow graph of a system is shown in figure.
The transfer function
of the system is
The transfer function
of the system is - 1064 attempts
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Feb 12ESE & GATE EC
