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EN-IEB.AEN / OE1 / 7

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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 / 7” contains 9 questions across 1 collection.

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Sample questions and answers

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Complete controller maintenance includes

One correct answer

  • periodic testing of protective devices
  • checking for loose or worn contacts and weak springs
  • maintaining a sufficient supply of spare parts
  • all of the above✓ Correct answer
The illustration EL-0081 shows a fluorescent light fixture The ends of the lamp alternately glow and become dark, but the tube will not light The most probable cause is thatQuestion illustration

One correct answer

  • component "D" is loose and due to the ship's vibrations makes and breaks contact
  • the power system's voltage is fluctuating in and out of the range necessary for proper operation
  • component "A" is shorted and therefore unable to produce the high voltage required to start the lamp✓ Correct answer
  • component "B" contacts are opening and closing thus prohibiting sufficient current flow
When working on electrical circuits containing large capacitors, in addition to de-energizing the circuit, which of the listed precautions should also be taken?

One correct answer

  • Keep all radio equipment away.
  • Measure capacitor insulation resistance.
  • Ground the capacitor terminals.✓ Correct answer
  • Check capacitor circuit polarity.
What current is required to light two 75 watt lamps and one 40 watt lamp when connected in series to a 120 volt power source?

One correct answer

  • 0.161 amperes
  • 0.631 amperes
  • 1.583 amperes✓ Correct answer
  • 6.199 amperes
In process control terminology values which can change without distinct increments, such as temperature, pressure, or level are called

One correct answer

  • binary values
  • digital values
  • bumpless values
  • analog values✓ Correct answer

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