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12_MIAE

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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-MIEA / SMM, OM1 / 2 — 12_MIAE” contains 213 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.

Before reassembling any machinery, you should

One correct answer

  • replace all bearings regardless of length of service
  • apply a heavy coat of oil to all mating surfaces
  • clean any corroded surfaces and file all burrs smooth✓ Correct answer
  • coat all parts with alemite grease
When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that

One correct answer

  • the battery is fully charged when the indicator floats low in the electrolyte
  • any water that has been previously added to the cells will dilute the solution and give a false reading
  • a hydrometer reading is inaccurate if taken immediately after water is added to the cell✓ Correct answer
  • temperature has no effect on hydrometer readings
Which of the following statements is true concerning all three-phase alternators?

One correct answer

  • Each has three separate but identical armature windings acted on by one system of rotating magnets.✓ Correct answer
  • Each has one armature winding acted on by three identical but separate systems of rotating magnets.
  • All three-phase alternators are designed to operate with a 0.8 leading power factor.
  • The three phases always provide power to the load through three sets of slip rings and brushes.
Which of the listed figures shown in the illustration EL-0084 represents devices connected in a three-phase delta-wye arrangement?Question illustration

One correct answer

  • A
  • B
  • C✓ Correct answer
  • D
When paralleling two AC generators, the frequency of the machine coming on-line, immediately prior to closing its breaker, should be

One correct answer

  • slightly less than the oncoming generator frequency
  • the same as the bus frequency
  • slightly greater than the bus frequency✓ Correct answer
  • the same as the bus voltage

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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.