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RO-IEB.AEN / OE1 / 6

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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-Manag — RO-IEB.AEN / OE1 / 6” contains 15 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.

'Top bracing unit'' are in compunere :

One correct answer

  • un separator de combustibil
  • doua pompe electrice de apa
  • doua pompe electrice de ulei✓ Correct answer
  • doua pompe electrice de ulei+separator ulei
Actionarea electrica cu tiristoare a unui mecanism de actionare a instalatiilor de ridicat foloseste :

One correct answer

  • motor asincron cu o singura viteza cu schimbarea frecventei sau tensiunii aplicate✓ Correct answer
  • motoare sincrone
  • motoare de c.c.
  • motoare hidraulice.
In actionarea electrica a vinciului de ancora avem un rezistor in paralel cu bobina franei electromagnetice La ce foloseste acest montaj ?

One correct answer

  • la adaptarea rezistiva a circuitului bobinei
  • la limitarea curentului ce trece prin bobina
  • la reglarea tensiunii aplicate bobinei
  • la descarcarea tensiunii autoinduse la intreruperea alimentarii bobinei✓ Correct answer
Care sunt posibilitatile de oprire in caz de avarie ale unei macarale de bord ?

One correct answer

  • scurt-circuit
  • buton de oprire✓ Correct answer
  • limitatori
  • supracurent
Cum se alege un motor electric de c.a. care actioneaza un mecanism de ridicare ?

One correct answer

  • dupa suprasarcina admisa.
  • functie de greutatea carliguli
  • dupa greutatile ridicate
  • dupa cuplul echivalent-diagrama de sarcina.✓ Correct answer

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