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Control Systems

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

 1/C
 R
 L
 C

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Control Systems
A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is

  e5t.
  e3t - e2t.
  e2t + e3t.
  e2t - e3t.

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Control Systems
Name test signals used in time response analysis?

  Unit step.
  Impulse.
  All of B, C, D.
  Unit ramp.

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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 II
 TYPE I
 TYPE III
 TYPE 0

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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is

 5/(s+1)(s+5)
 1/(s² + 5 + 1)
 1/(s+1)(s+5)
 5/(s² + 5 + 1)

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Control Systems
The amplitude spectrum of a Gaussian pulse is

 A sine function.
 Uniform.
 Impulse function.
 Gaussian.

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