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EN-IEB.AEN / OE2, OE3 / 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 — IEB.AEN-Operational — EN-IEB.AEN / OE2, OE3 / 7” contains 5 questions across 1 collection.

Learning

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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.

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
A fuse that blows often should be replaced only with a fuse of

One correct answer

  • the recommended current and voltage rating✓ Correct answer
  • higher current and voltage rating
  • higher current and lower voltage rating
  • lower current and higher voltage rating
A load is connected to the secondary of the device illustrated EL-0055 and the current through the load is 10 amps If the step-up ratio is 10 to 1 and the input voltage is 110 VAC, what will be the current flow through the primary?

One correct answer

Question illustration
  • 1 amp
  • 10 amps
  • 100 amps✓ Correct answer
  • 1000 amps
The source of emergency lighting and power at loss of normal ship's power on a cargo vessel should be obtained from the

One correct answer

  • emergency generator supply to the emergency switchboard✓ Correct answer
  • emergency generator supply to the main switchboard
  • battery supply to the main switchboard
  • turbogenerator supply to the emergency switchboard
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

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