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Control Systems

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

 impulse
 ramp
 step
 parabolic

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Control Systems
Force balancing equation for elastic element (K) is (where, x = displacement)

 K d2x/dt2
 K *x
None of these
 K dx/dt

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Control Systems
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is

 60°
 30°
 80°
 45°

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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is

 400 sec
 4 sec
 100 sec
 10 sec

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Control Systems
The amplitude spectrum of a Gaussian pulse is

 Impulse function.
 Uniform.
 Gaussian.
 A sine function.

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Control Systems
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as

  over damped system.
  critically damped system.
  under damped system.
  undamped system.

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