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Control Systems

Control Systems
Advantages of open loop control system is/are

 accurate.
 reliable.
 simple and economical.
All of these

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Control Systems
Sparking between the contacts can be reduced by inserting

 a capacitor in series with the contacts.
 a reactor in the line.
  a capacitor in parallel with the contacts.
 a resistor in the line.

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Control Systems
Which of the following statement is/are true statements?

 The steady state analysis depends on type of the system
All of these
 Type of the system is obtained from open loop transfer function
 Transient state analysis depends on order of the system

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Control Systems
The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10?

 5
 0
 2
 infinite

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Control Systems
The transfer function of a system given by The system is

 an under damped.
 unstable.
 a critically damped.
 an over damped.

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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?

 2/(s² + 3s + 2)
 2/(s² + s + 2)
 1/(s² + 3s + 2)
 1/(s² + s + 2)

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