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Control Systems

Control Systems
Find the Laplace transform for sinωt?

 1/s
 s/(s²+ω²)
 1/s²
 ω/(s²+ω²)

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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is

 2 sec.
 1.6 sec.
 0.4 sec.
 1.2 sec.

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

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

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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

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

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Control Systems
The transfer function of a system given by The system is

 unstable.
 a critically damped.
 an under damped.
 an over damped.

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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is

 25 sec
 1 sec
 5 sec
 ∞ sec

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