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Control Systems

Control Systems
Based on relation between the arm impedances the filters can be categorized into how many types?

 3.
  2.
 Not classified at all.
 4.

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Control Systems
A control system has open loop transfer function . Break away point is lies between

 0 and -4.
 0 and 4.
 any of the above.
 -4 and -6.

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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is

 0.8 rad/s
 1 rad/s
 2 rad/s
 0.6 rad/s

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Control Systems
A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is

 s/(s+1)2
 s/(s+1)
 (s+1)2/s
 1/s(s+1)2

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Control Systems
Name test signals used in time response analysis?

  Impulse.
  Unit step.
  All of B, C, D.
  Unit ramp.

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 voltage.
 flux.
 inductance.
 capacitance.

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