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RO-TRAF

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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 — ME.IEB-OEMP — RO-TRAF” contains 15 questions across 1 collection.

Learning

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Exam

A practice exam lasts up to 60 minutes and includes up to 50 questions from the selected collection. Correct answers and results appear after completion.

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 procedeaza in cazul deconectarii aparatelor de masura de la bornele secundarului transformatorului

One correct answer

  • Bornele primarului transformatorului se vor lega la sarcina
  • Bornele primarului transformatorului se vor scurtcircuita
  • Bornele secundarului transformatorului se vor lasa in gol
  • Bornele secundarului transformatorului se vor scurtcircuita✓ Correct answer
Cum se procedeaza la aparitia unui defect in tipul functionarii transformatorului

One correct answer

  • Se scoate de sub tensiune
  • Se scoate de sub tensiune si se verifica cauzele producerii defectului✓ Correct answer
  • Se masoara tensiunea
  • Se deconecteaza consumatorii
Ce reprezinta 2 din Fig.T 08.B si T 08.C

One correct answer

Question illustration
  • Material conductor
  • Material electroizolant
  • Miez gol
  • Miez feromagnetic✓ Correct answer
in ce se transforma pierderile de putere din elementele active ale transformatorului

One correct answer

  • Aer
  • Caldura✓ Correct answer
  • Curent
  • Tensiune
Care este cauza cresterii curentului la functionare in gol a transformatorului

One correct answer

  • suruburile de strangere nu sunt bine izolate fata de circuitul magnetic✓ Correct answer
  • suruburile de strangere nu sunt bine izolate fata de bobinaj
  • suruburile de strangere nu sunt bine izolate fata de carcasa
  • suruburile de strangere nu sunt bine izolate fata de bornele de iesire

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