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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?

 0.707
 1
 0.5
 1.5

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Control Systems
The following transfer function represents a phase-lead compensator?

 (s+4)/(s+6)
 (4s+2)/(6s+1)
 (s+4)/(3s+6)
 1/s

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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is

 1.2 sec.
 0.4 sec.
 2 sec.
 1.6 sec.

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

 B *x
None of these
 B dx/dt
 B d2x/dt2

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

 10.
 50.
 0.
 infinity.

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Control Systems
Time constant is defined as the time taken by the response of the system to reach ----------- ?

 100% of the final value
 70.7% of the final value
 63% of the final value
 50% of the final value

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