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17_CES_EO6

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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-EO6-OAG — 17_CES_EO6” contains 130 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

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What are ideal conditions for taking Megger test readings of an alternator?

One correct answer

  • Hot after stopping.✓ Correct answer
  • Cooled down to hand-warm.
  • Cooled down to ambient temperature.
  • Running.
Line to line voltage of a Delta connected 3 phase alternator is found to be 440 Volt. What is the phase voltage?

One correct answer

  • 440 Volt.✓ Correct answer
  • 220 Volt.
  • 254.33 Volt.
  • 311.13 Volt.
What possibilities exist to supply power via direct connection to the Emergency Switchboard.Question illustration

One correct answer

  • 1) Supply by main diesel engines. 2) Supply by emergency diesel.
  • 1) Supply by main switchboard. 2) Supply by emergency diesel.✓ Correct answer
  • 1) Supply by shore power. 2) Supply by main switchboard.
  • 1) Supply by shore power. 2) Supply by main switchboard.
Typically, how many times full load current are motor fuses rated in order to withstand the large starting current ?

One correct answer

  • 2 - 3 times.✓ Correct answer
  • 5 - 7 times.
  • 3 - 5 times.
  • 7 - 9 times.
How would you initiate a test, if found necessary, to find out if an alternator preference system is working?

One correct answer

  • By lowering the generator frequency.✓ Correct answer
  • By raising the generator frequency.
  • By raising the alternator voltage.
  • By lowering the alternator voltage.

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