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Control Systems

Control Systems
In the cauer-2 form of LC network---------is series element and --------is shunt element respectively?

 C and C
 C and L
 L and C
 L and L

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Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.16.
 0.25.
 0.49.
 0.35.

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Control Systems
When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is

 1.386.
 2.000.
 0.500.
 0.693.

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lag compensator, β = 2
 lag compensator, β = 10
 lead compensator, α = 0.1
 lead compensator, α = 0.2

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Control Systems
The closed loop transfer function of a unity feedback control system is 9/(s² + 3s + 9), then the type of the system is

 1
 3
 0
 2

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Control Systems
A proportional plus integral controller

 increases the stability of the system
 it increases rise time
 has high sensitivity
 both 2 and 3

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