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Control Systems

Control Systems
The optimum values of damping ratio is --------------

 0.9 to 1.1
 0.3 to 0.7
 0 to 2
 0.3 to 5

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Control Systems
The unit step error coefficient of a system with unity feedback is

 1.
 0.
 1/6.
 infinity.

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Control Systems
The system having characteristic equation is used to be an oscillator. What is the value of k?

 1
 3
 4
 2

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Control Systems
Which of the following is the analogous quantity for mass element in force-voltage analogy?

All of these
 Capacitance.
 Inductance.
 Resistance.

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Control Systems
Negative feedback in a closed loop control system

 improves disturbance rejection.
All of these
 reduces sensitivity to parameter variation.
 reduces gain.

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

 0.
 infinity.
 50.
 10.

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