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Control Systems

Control Systems
Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

 6 dB
 18 dB
 12 dB
 3 dB

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Control Systems
Which of the following controller is also known as anticipatory controller?

 derivative controller
 proportional controller
 integral controller
 both 1 and 3

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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

 1.6 sec.
 0.4 sec.
 1.2 sec.
 2 sec.

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Control Systems
The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is

 4
 6
 2
 8

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

 infinity.
 20.
 50.
 0.

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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is

 -20dB/decade.
 +10dB/decade.
 0 dB/decade
 -10dB/decade.

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