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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
None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system

  tends to zero.
  none of these.
  always bounded.
  could be unbounded.

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Control Systems
The unit step response of the system is 1 - e-t(1+t). Which is the system?

 stable
 critically stable
 oscillatory
 unstable

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Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 1 kHz
 750 Hz
 350 Hz
 500 Hz

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Control Systems
If the bandwidth of the system is very large, the system response is

 faster
 independent of bandwidth
None of these
 slower

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Control Systems
For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ?

 0.07
 0.087
 0.87
 0.707

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