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Control Systems

Control Systems
Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is

 64
 16
 1
 4

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Control Systems
The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is

 1
 infinity
 any of the above
 0

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Control Systems
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

  1.0 Volt.
 1.5 Volt.
  2.5 Volt.
 2.0 Volt.

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Control Systems
Time taken for the response to rise from zero to 100 % for very first time is called

 Delay time.
 Settling time.
 Rise time.
 Peak time.

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Control Systems
A control system has open loop transfer function . Break away point is lies between

 0 and -4.
 any of the above.
 0 and 4.
 -4 and -6.

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

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