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EN-IEB.AEN / OE2, OE3 / 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 — IEB.AEN-Operational — EN-IEB.AEN / OE2, OE3 / 5” contains 19 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.

A semiconductor that decreases in resistance with an increase in temperature is known as a

One correct answer

  • resistor
  • thermistor✓ Correct answer
  • diode
  • thermopile
A low-voltage protection circuit is used in electric motor starting equipment to

One correct answer

  • trip circuit contactors when the motor overspeeds due to low voltage
  • trip circuit contactors when the motor develops a short circuit due to low voltage
  • allow the motor to restart automatically on restoration of voltage without manually resetting
  • prevent the motor from restarting automatically on restoration of voltage✓ Correct answer
When attempting to measure AC current with the device shown and you are unsure of the range, the range switch should be set to

One correct answer

Question illustration
  • 10 MA / AMPS with leads in the (-10 A) and (+10 A) jacks
  • 10 MA / AMPS with leads in the (-COMMON) and (+) jacks
  • 10 MA / AMPS with leads in the (-COMMON) and (+10 A) jacks
  • unable to accurately measure AC current with this device as illustrated✓ Correct answer
Power necessary to operate the horn shown in the illustration

One correct answer

Question illustration
  • comes from each station's magneto
  • is supplied from a 115 volt source✓ Correct answer
  • is conducted through a relay coil
  • also lights lamps "R" and "T"
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

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