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Free APC DU0-001 Exam Braindumps (page: 22)

Page 16 of 82
PDF with 325 Questions

What is a fundamental purpose of a step-up or step-down transformer?

  1. Supply a neutral reference on the secondary side that is different than what is supplied on the primary side.
  2. Supply a ground reference on the secondary side that is different than what is supplied to the primary side.
  3. Deliver a voltage reference on the secondary side of the transformer different than what is supplied to the primary side.
  4. Deliver the same voltage reference on the secondary side of the transformer equal to that supplied on the primary side.

Answer(s): C



What defines a delta to wye transformer?

  1. Takes in three-phases and ground; outputs three-phases and ground
  2. Takes in three-phases, neutral, and ground; outputs three-phases and ground
  3. Takes in three-phases and ground; outputs three-phases, neutral, and ground
  4. Takes in three-phases, neutral, and ground; outputs three-phases, neutral, and ground

Answer(s): C



Which two factors contribute to the amount of noise an electrical circuit contains within a building infrastructure? (Choose two.)

  1. The temperature ranges within the data center
  2. The integrity of the grounding system throughout the building
  3. The voltage type available to the building at the service entrance
  4. The degree to which electrical loads are balanced throughout the building

Answer(s): B,D



What are two circuit breaker types found in a building or data center? (Choose two.)

  1. Thermal
  2. Magnetic
  3. Fast-acting
  4. Photovoltaic

Answer(s): A,B



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Viewing questions 85 - 88 out of 325 questions



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