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EN-MIEB / F

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 08_MIB — EN-MIEB / F” contains 7 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

In order to achieve appliance ground protection:

One correct answer

  • the live conductor must be grounded.
  • the neutral conductor must be grounded.
  • the metal appliance case must be grounded.
  • both b and c✓ Correct answer
High-intensity discharge lamps:

One correct answer

  • operate without the use of a ballast.
  • operate ON and OFF very quickly.
  • operate at low brightness when first turned on.✓ Correct answer
  • both a and c
A cycling ballast that turns power OFF and ON is most likely caused by:

One correct answer

  • an overheated ballast.✓ Correct answer
  • the fixture not being adequately grounded.
  • the tube pins making power contact.
  • the line voltage being too low.
A strain-relief device must be provided where a cord enters an appliance. The purpose of this device is:

One correct answer

  • to provide for extra insulation between the cord and the metal case.
  • to maintain the flexibility of the cord.
  • to prevent the cord from being pulled out of the appliance.✓ Correct answer
  • to reduce the severity of a potential electric shock.
A contactor differs from a relay in that:

One correct answer

  • it operates on a different principle.
  • its contacts can interrupt large motor currents.✓ Correct answer
  • gravity and spring tension open contacts.
  • all of these

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