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Home ‣ Electrical Engineering ‣ Three-Phase Systems in Power Applications Comments
  • Question

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


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Three-Phase Systems in Power Applications problems

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

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    • A. True
    • B. False
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    • 2. An alternator is an electromechanical ac generator.

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    • A. True
    • B. False
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    • 3. The term squirrel-cage applies to a type of three-phase ac generator.

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    • A. True
    • B. False
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    • 4. In a Y-connected generator, there is a 120° difference between each line voltage and the nearest phase voltage.

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    • A. True
    • B. False
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    • 5. Polyphase is characterized by two or more sinusoidal voltages, each having a different phase angle.

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    • A. True
    • B. False
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    • 6. Energy equals power multiplied by time.

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    • A. True
    • B. False
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    • 7. The capacity of a battery is measured in milliamperes.

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    • A. True
    • B. False
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    • 8. Power rating is related to resistance value.

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    • A. True
    • B. False
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    • 9. A resistor normally opens when it burns out.

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    • A. True
    • B. False
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    • 10. Energy is equal to power multiplied by voltage.

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    • A. True
    • B. False
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