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Control Systems

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
Which of the following are the disadvantages of a closed loop control system?

 Oscillatory response.
 Reduces the overall gain.
All of these
 Complex and costly.

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Control Systems
A control system has open loop transfer function G(s) = k/(s(s + 2). Find the break away point?

 1
 -2
 2
 -1

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Control Systems
Settling time for 5% tolerance band is -------------

 3T.
 2T.
 4T.
 5T.

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Control Systems
In which of the following controller band width is increased?

 both 1 and 2
 proportional plus derivative controller
 proportional plus integral controller
 nether 1 nor 2

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Control Systems
Electrical analogous element for damper element (force-voltage analogy) in mechanical translation system is

 any of the above
 resistor
 capacitor
 inductor

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