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GATE 2019: Control System Quiz 1

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Question 1

Consider a spring-mass system given as where m stands for mass, c for the damper, and spring labelled as k

In the figure shown above, consider the m= 1 units, k= 6 units, c= 8 units.
Sum of all the poles and zeroes of the transfer function is:

Question 2

The block diagram of a closed loop control system is given by figure. The values of K and P such that the system has a damping ratio of 0.7 and an undamped natural frequency ωn of 5 rad/sec, are respectively equal to

Question 3


In the system whose signal flow graph is shown in the figure, and are inputs. The transfer function

Question 4

The block diagram of a control system is shown in Fig. The transfer function G(s) = Y(s)/U(s) of the system is

Question 5

Referring to the circuits of Fig.1 and Fig.2, which of the following statements is correct with respect to V in the figures?

Question 6

Identify which among the following is a closed loop system?
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Mar 9ESE & GATE EE