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IEB.AEN-Manag

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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 — EN-IEB.AEN / OE1 / 5 — IEB.AEN-Manag” contains 51 questions across 1 collection.

Learning

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Exam

A practice exam lasts up to 60 minutes and includes up to 50 questions from the selected collection. Correct answers and results appear after completion.

Sample questions and answers

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

If a magnetic controller relay fails to drop out when the coil voltage is removed from the relay, the probable cause may be

One correct answer

  • excessive spring tension
  • overvoltage
  • excessive current
  • welded contacts✓ Correct answer
Humming or buzzing of electric contacts is a symptom of

One correct answer

  • low voltage on the operating coil✓ Correct answer
  • power failure to the operating coil
  • a control circuit ground
  • a control circuit overload
Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature increase?

One correct answer

  • Additional heat sinks will be required
  • Conductivity will increase✓ Correct answer
  • Conductivity will decrease
  • Resistivity will increase
The instant-start fluorescent tube:

One correct answer

  • has a single-pin connection at each end.
  • requires a very high starting voltage.
  • requires a bulkier and more expensive type of ballast.
  • all of these✓ Correct answer
A loud buzzing noise coming from the contacts in a magnetic controller can be caused by

One correct answer

  • excessive current
  • excessive magnet gap
  • bouncing of contacts
  • dirt on magnet faces✓ Correct answer

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Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.