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Control Systems

Control Systems
A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........?

 5
 1
 3
 2

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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.25.
 0.16.
 0.35.
 0.49.

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

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

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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is

 1/(s² + 5 + 1)
 5/(s² + 5 + 1)
 5/(s+1)(s+5)
 1/(s+1)(s+5)

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

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Control Systems
The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?

 360°
 120°
 60°
 180°

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