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EEE :: Electrical Control Systems

Electrical Control Systems - section-1
  1. By which of the following the control action is determined when a man walks along a path?

    2. A.

     Brain
    B.

     Hands
    C.

     Legs
    D.

     Eyes

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  2. In a control system integral error compensation _______ steady state error

    3. A.

     increases
    B.

     minimizes
    C.

     does not have any effect on
    D.

     any of the above

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  3. The type-2 system has ________ at the origin.

    4. A.

     No net pole
    B.

     Net pole
    C.

     Simple pole
    D.

     Two poles

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  4. Which of the following should be done to make an unstable system stable ?

    5. A.

     The gain of the system should be decreased
    B.

     The gain of the system should be increased
    C.

     The number of poles to the loop transfer function should be increased
    D.

     The number of zeros to the loop transfer function should be increased

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  5. With feedback _____ increases.

    6. A.

     system stability
    B.

     sensitivity
    C.

     gain
    D.

     effects of disturbing signals

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  6. Which of the following is an electromagnetically device ?

    7. A.

     Induction relay
    B.

     Thermocouple
    C.

     LVDT
    D.

     Any of the above
    E.

     None of the above

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  7. Which of the following can be measured by LVDT?

    8. A.

     Displacement
    B.

     Velocity
    C.

     Acceleration
    D.

     Any of the above

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  8. The frequency and time domain are related through which of the following?

    9. A.

     Laplace Transform and Fourier Integral
    B.

     Laplace Transform
    C.

     Fourier Integral
    D.

     Either (B) or (C)

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  9. Addition of zeros in transfer function causes which of the following?

    10. A.

     Lead-compensation
    B.

     Lag-compensation
    C.

     Lead-lag compensation
    D.

     None of the above

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  10. In force-voltage analogy, velocity is analogous to

    11. A.

     current
    B.

     charge
    C.

     inductance
    D.

     capacitance

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