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RO-IEB.AEN / OE2, OE3 / 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-Operational — RO-IEB.AEN / OE2, OE3 / 6” contains 14 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.

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
Instalatia de detectare a incendiului prin prezenta fumului se bazeaza pe :

One correct answer

  • Temperatura fumului
  • Continutul chimic al fumului
  • Cantitatea de fum
  • Opacitatea fumului✓ Correct answer
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
Umiditatea, ca rezultata al condensarii, poate fii redusa, in interiorul unui controler al unui vinci de marfa prin

One correct answer

  • montarea unui bec cu incandescenta in interiorul acestuia
  • etansarea controlerului cu siliconi sau rasini epox
  • ventilarea regulata a spatiului interior
  • rezistente de incalzire montate in interior✓ Correct answer
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 asincrone cu mai multe turatii
  • motoare de c.c.
  • motoare hidraulice.

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