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Control Systems

Control Systems
For a lead compensator, the poles lie:

  on LHS before zero.
  on LHS.
  on origin.
  on RHS.

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Control Systems
A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is

 6.5
 4
 5
 10

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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.
 0.49.
 0.35.

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Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?

 a < b, p >q
 a > b, p < q
 a > b, p > q
 a < b, p < q

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Control Systems
A transfer function has its zero in the right half of the s-plane. The function

 is positive real
 is non-minimum phase
 will give stable impulse response
 is minimum phase

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Control Systems
Open loop transfer function,

 band reject filter.
 band stop filter.
None of these
 all pass filter.

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