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Control Systems

Control Systems
Differentiation of parabolic response is a -------------- response?

 step
 ramp
 parabolic
 impulse

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Control Systems
Find the Laplace transform for sinωt?

 ω/(s²+ω²)
 1/s
 s/(s²+ω²)
 1/s²

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Control Systems
A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively

 0.25 and 2 rad/s
 0.25 and 4 rad/s
 0.50 and 2 rad/s
 0.50 and 4 rad/s

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Control Systems
Angle condition for complimentary root locus or inverse root locus is

 ± (2q) 360°
 ± (2q + 1) 360°
 ± (2q + 1) 180°
 ± (2q) 180°

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Control Systems
The steady state error due to ramp input for a type two system is equal to

 constant.
 non zero number.
 infinite.
 zero.

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Control Systems
The maximum phase lag occurs at the ------------------- of the two corner frequencies?

None of these
 either 1 or 2
 arithmetic mean
 geometric mean

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