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EN-IEB.AEN / OE2, OE3 / 1

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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 — IEB.AEN-Operational — EN-IEB.AEN / OE2, OE3 / 1” contains 26 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.

When a megohmmeter is used to test insulation, the gradual rise of the pointer reading as a result of continued cranking, is caused by

One correct answer

  • good conductor resistance
  • the leakage of current along the surface of dirty insulation
  • the inductive reactance of the windings
  • the dielectric-absorption effect of the insulation✓ Correct answer
Periodic testing of circuit breakers is necessary to assure that a correctly rated and properly installed unit

One correct answer

  • can trip faster as it increases in age
  • will continue to provide the original degree of protection✓ Correct answer
  • does not exceed its interrupting capacity
  • be able to withstand at least 125% of applied voltage
A bus disconnect link is used to isolate

One correct answer

  • one bus bar from another
  • the generator circuit breaker from the bus✓ Correct answer
  • different phases from the equalizer connection
  • positive and negative buses from the neutral
An accidental path of low resistance, allowing passage of abnormal amount of current is known as a/an

One correct answer

  • open circuit
  • short circuit✓ Correct answer
  • polarized ground
  • ground reference point
A grounded switch or cable will be indicated by a megohmmeter reading of

One correct answer

  • infinity
  • 'zero'✓ Correct answer
  • being unsteady in the high range
  • being unsteady in the low range

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