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Control Systems

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

 4.
 Not classified at all.
 3.
  2.

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

 high pass filter
 bandpass filter
 low pass filter
 band reject filter

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Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?

 a < b, p >q
 a > b, p < q
 a > b, p > q
 a < b, p < q

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Control Systems
Electrical analogous quantity for spring element (K) in force-voltage analogy is

 R
 C
 1/C
 L

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Control Systems
Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ?

 lag-lead
 lag
 lead
 lead-lag

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Control Systems
When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is

 1.386.
 0.500.
 2.000.
 0.693.

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