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Control Systems

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

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

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

 20.
 40.
 infinity.
 0.

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Control Systems
With regard to filtering property, the lead compensator is

 band reject filter
 bandpass filter
 high pass filter
 low pass filter

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Control Systems
Weighting function is in terms of -----------------

 Laplace transform of the step response
 Laplace transform of the ramp response
 Laplace transform of the parabolic response
 Laplace transform of the impulse response

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Control Systems
A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as

 e-t.
 e-tu(t).
 etu(t).
 et.

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Control Systems
The transfer function of the control system depends on

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

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