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EN-MIEA / SMM, OM1 / 5

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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 / 5” contains 55 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
The transmit and receive elements of a sound-powered telephone handset are

One correct answer

  • identical and can be used for either function✓ Correct answer
  • of similar construction but different enough to be used only for its own function
  • of very different construction and MUST be used only for its own function
  • constructed so that each can fit only in its own recess
The purpose of overload protection on a motor is to protect:

One correct answer

  • the motor from sustained overcurrents.✓ Correct answer
  • the wire from high currents.
  • the motor from sustained over voltage.
  • the motor from short circuits.
A hydrometer is used to measure the

One correct answer

  • specific gravity of a battery electrolyte✓ Correct answer
  • water pressure in a deck pipeline
  • amount of potable water a vessel is taking on
  • power developed by a salt water service pump
The pitting of controller contacts can be caused by

One correct answer

  • excessive spring pressure
  • insufficient contact pressure✓ Correct answer
  • continuous motor overload
  • all of the above

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