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Control Systems

Control Systems
The Laplace transform of a transportation lag of 5 seconds is

 1/(s-5).
 1/(s+5).
 e-5s.
 e5s.

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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?

 120°
 180°
 60°
 360°

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Control Systems
The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by

 N - B + 1.
 N - 2B - 1.
 B + N.
  B - N + 1.

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lag
 lead-lag
 lag-lead
 lead

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Control Systems
Angle of asymptotes for complimentary root locus is

 (2q+1)*180/P
 (2q+1)*180/(P-Z)
 (2q)*180/P
 (2q)*180/(P-Z)

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Control Systems
Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as

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

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