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ISRO EC 2018:Control System Booster Quiz 4

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Question 1

For a signal flow path with only one forward path and no loops, the gain is:

Question 2

For a critically damped system, rise time is defined as:

Question 3

The signal flow graph of a control system is given below

The number of feedback loops in the system are ___________.

Question 4

For a system given its transfer function C(s)/R(s) = 9/(s²+6s+9), the nature of the time response will be:

Question 5

On moving a branch point ahead of a block, the movement is compensated by:

Question 6

The open loop transfer function of a unity feedback control system is given below

The value of system gain ‘K’ for system to be critical damped is

Question 7

The open loop transfer function of a system is

If the system gain K is adjusted to induce sustained oscillations, then the frequency of oscillation is ________ rad/sec.

Question 8

The state model of a control system is given by

Where,

The system is said to be

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May 21ESE & GATE EC