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EEE :: Three - Phase Systems in Power Applications

  1. In a -connected generator, there is a 120° difference between each line current and the nearest phase current.

  2. A.
    True
    B.
    False

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  3. Power is measured in a three-phase load by using an ammeter.

  4. A.
    True
    B.
    False

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  5. Polyphase is characterized by two or more sinusoidal voltages, each having a different phase angle.

  6. A.
    True
    B.
    False

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  7. In a Y-connected generator, there is a 120° difference between each line voltage and the nearest phase voltage.

  8. A.
    True
    B.
    False

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  9. A simple three-phase generator consists of three conductive loops separated by 120°.

  10. A.
    True
    B.
    False

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  11. A balanced load is one in which all the impedances are equal.

  12. A.
    True
    B.
    False

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  13. The term squirrel-cage applies to a type of three-phase ac generator.

  14. A.
    True
    B.
    False

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  15. A simple two-phase generator consists of two conductive loops separated by 90°, rotating in a magnetic field.

  16. A.
    True
    B.
    False

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  17. An alternator is an electromechanical ac generator.

  18. A.
    True
    B.
    False

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  19. The stator is the rotating assembly in a generator or motor.

  20. A.
    True
    B.
    False

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