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Control Systems

Control Systems
A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak?

 0.5
 1.5
 0.707
 1

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Control Systems
For a unity feedback control system open loop transfer function then position error constant is

 20.
 infinity.
 0.
 40.

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Control Systems
Which of the following is/are the disadvantages of an open loop control system?

 Unreliable.
 Inaccurate.
None of these
 both 1 and 2.

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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

 5 sec
 25 sec
 1 sec
 ∞ sec

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Control Systems
Which of the following is the electrical analogous element for displacement in force-voltage analogy?

 Voltage.
 Charge.
 Current.
 Flux.

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Control Systems
A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'?

 2
 3
 0
 1

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