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Control Systems

Control Systems
For a lead compensator, the poles lie:

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

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Control Systems
A transfer function is given as The steady state sinusoidal response will become zero at a frequency response of

 2 rad/s
 3 rad/s
 4 rad/s
 9 rad/s

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Control Systems
Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be

 c(t)u(t)
 c(t).u(t-1)
 c(t-1).u(t-1)
 c(t-1).u(t)

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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is

 1 sec
 25 sec
 ∞ sec
 5 sec

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Control Systems
In signal flow graph output node is node having only------------

None of these
 incoming branches
 both 1 and 2
 outgoing branches

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot?

 π/2√3 sec
 2π/√3 sec
 π/√3 sec
 π/4√3 sec

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