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Control Systems

Control Systems
What is the type of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback?

 1
 3
 0
 2

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Control Systems
Lead compensator is used to improve ------------------

 Steady state response
 Both 1 and 2
None of these
 Transient response

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Control Systems
Transfer function of a control system depends on

 initial conditions of input and output.
 system parameters alone.
 nature of output.
 nature of input.

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Control Systems
The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be

 1
 0
 infinity
 undefined

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

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Control Systems
Which system is also known as automatic control system?

 Nether 1 nor 2
 Either 1 or 2
 Open loop control system
 Closed loop control system

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