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Control Systems

Control Systems
Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

 18 dB
 3 dB
 6 dB
 12 dB

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Control Systems
In signal flow graph output node is node having only------------

 both 1 and 2
 incoming branches
None of these
 outgoing branches

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Control Systems
The transfer function for tachometer E(S)/θ(S) is

 KS
 K/S
 K
 KS2

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Control Systems
The open loop transfer function for unity feedback system is given by 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to

 infinite.
 2.
 zero.
 5.

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Control Systems
Transient state analysis deals with -------------

 magnitude of error
 both 1 and 2
None of these
 nature of response

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Control Systems
Which of the following is/are the characteristics of negative feedback control system?

All of these
 Rejection of disturbance signals
 Low sensitivity to parameter variations
 Reduction in gain at the expense of better stability

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