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Control Systems

Control Systems
Transient response is improved in case of

 lead network.
 lag network.
 both A and B.
 none of these.

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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is

 1 rad/s
 2 rad/s
 0.6 rad/s
 0.8 rad/s

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

 0.5
 1
 1.5
 0.707

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

 M d2x/dt2
 M *x
 M dx/dt
 any of the above

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Control Systems
Given the transfer function of a system. Which of the following characteristics does it have?

 Critical damped
 any of the above
 Under damped
 Over damped

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Control Systems
Find the angles of asymptotes of the open loop transfer function G(s) = k(s + 1)/((s(s+2)(s+4)?

 60°,240°
 90°,180°
 90°,270°
 0°, 180°

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