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Control Systems

Control Systems
Open loop transfer function,

 all pass filter.
None of these
 band stop filter.
 band reject filter.

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Control Systems
Sparking between the contacts can be reduced by inserting

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

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Control Systems
The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system?

 TYPE I
 TYPE 0
 TYPE III
 TYPE II

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Control Systems
When compared to a 1st order LPF, a 2nd order LPF has

 lower voltage gain.
 faster drop in filter response.
 higher cut off frequency.
 higher voltage gain.

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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is

 0.6 rad/s
 0.8 rad/s
 1 rad/s
 2 rad/s

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

 Capacitance.
 Resistance.
 Inductance.
All of these

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