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Control Systems

Control Systems
Transient response is improved in case of

 none of these.
 lag network.
 both A and B.
 lead network.

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Control Systems
The transfer functions of two compensators are given below. Which one is correct? which one is correct?

  Both C1 and C2 are lead compensator.
  Both C1 and C2 are lag compensator.
  C1 is a lead compensator and C2 i
  C1 is a lag compensator and C2 i

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Control Systems
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by

 2∠90°
 1∠0°
 0.5∠0°
 0.5∠10°

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Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as

  under damped system.
  critically damped system.
  undamped system.
  over damped system.

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Control Systems
In frequency response analysis of second order system, the error at corner frequency is

 20 log2ξ
 -10 logξ
 10 logξ
 -20 log2ξ

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Control Systems
The system having characteristic equation is used to be an oscillator. What is the value of k?

 4
 2
 1
 3

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