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Control Systems

Control Systems
Find the order of a system given by

 5.
 2.
 4.
 3.

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Control Systems
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

 1.5 Volt.
 2.0 Volt.
  2.5 Volt.
  1.0 Volt.

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

 18 dB
 12 dB
 3 dB
 6 dB

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Control Systems
The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is

 0.167
 5
 0.2
 6/5

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Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is

 1
 2
 4
 3

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Control Systems
A proportional plus derivative controller

 increases the stability of the system
 both 1 and 2
 has high sensitivity
 improves the steady state accuracy

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