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Control Systems

Control Systems
Differentiation of parabolic response is a -------------- response?

 parabolic
 impulse
 ramp
 step

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Control Systems
The Laplace transform of a transportation lag of 5 seconds is

 e5s.
 1/(s-5).
 1/(s+5).
 e-5s.

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Control Systems
The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to

 2e-tu(t).
 e-tu(t).
 (0.5)e-2tu(t).
 e-2tu(t).

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Control Systems
A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is

 10
 5
 4
 6.5

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Control Systems
A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is

  e2t + e3t.
  e2t - e3t.
  e5t.
  e3t - e2t.

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lag
 lead
 lead-lag
 lag-lead

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