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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?

 3
 1
 2
 0

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

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

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Control Systems
Based on relation between the arm impedances the filters can be categorized into how many types?

 3.
 Not classified at all.
 4.
  2.

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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 50.
 0.
 20.
 infinity.

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Control Systems
Number of sign changes in the entries in 1st column of Routh array denotes the no. of

 roots of characteristic polynomial in RHP.
 open loop poles in RHP.
 open loop zeroes in RHP.
 zeroes of system in RHP.

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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

 infinity
 undefined
 1
 0

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