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Control Systems

Control Systems
Name test signals used in time response analysis?

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

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Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is

 (2s+2)/s²
 (2s+2)/(s+1)²
 (2s+1)/(s+1)²
 (2s+1)/s²

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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?

 0°, 180°, 300°
 60°, 180°, 300°
 0°, 120°, 240°
 120°, 180°, 240°

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Control Systems
Which system is also known as automatic control system?

 Closed loop control system
 Either 1 or 2
 Nether 1 nor 2
 Open loop control system

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Control Systems
Transient state analysis depends on which of the following?

 order of system
 nether 1 nor 2
 both 1 and 2
 type of system

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Control Systems
The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10?

 2
 0
 infinite
 5

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