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Control Systems

Control Systems
Resonant peak of a marginally stable system is

 any of the above
 finite value
 infinite
 0

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Control Systems
Force balancing equation of a mass element is (where, x = displacement)

 M *x
 M dx/dt
 M d2x/dt2
 any of the above

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Control Systems
Angle condition for complimentary root locus or inverse root locus is

 ± (2q + 1) 180°
 ± (2q) 360°
 ± (2q) 180°
 ± (2q + 1) 360°

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Control Systems
Negative feedback in a closed loop control system

 improves disturbance rejection.
 reduces gain.
 reduces sensitivity to parameter variation.
All of these

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Control Systems
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency

 ω = K rad/sec.
 ω = K2 rad/sec.
 ω = 0 rad/sec.
 ω = √K rad/sec.

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Control Systems
Name test signals used in time response analysis?

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

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