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RO-TRAF

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Choose a question set and start learning or take an exam.

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 — RO-TRAF” contains 26 questions across 2 collections.

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.

Care este conexiunea infasurarii primare a trasformatorului trifazat din Fig. T 04.Question illustration

One correct answer

  • Coneiunea triunghi✓ Correct answer
  • Conexiunea stea
  • Conexiunea zigzag
  • Conexiunea secundara
Ce se noteaza cu A, B, C la transformatorul trifazat reprezentat in Fig. T 04.Question illustration

One correct answer

  • Bornele infasurarii primare✓ Correct answer
  • Bornele infasurarii secundare
  • Bornele transformatorului
  • Bornele infasurarii de excitatie
Daca un transformator are in primar un curent de 10A si o tensiune de 100V, iar in secundar 20V care este curentul din secundar

One correct answer

  • 100A
  • 200A
  • 50A✓ Correct answer
  • 10A
Ce se intelege prin functionarea in gol a transformatorului

One correct answer

  • Regimul permanent in care infasurarea primara este la tensiunea nominala si circuitul secundar intrerupt✓ Correct answer
  • Regimul permanent in care infasurarea primara este la tensiunea nominala si circuit secundar neintrerupt
  • Regimul permanent in care infasurarea primara este la tensiunea nominala si circuitul primar intrerupt
  • Regimul nepermanent in care infasurarea primara este la tensiunea nominala si circuitul primar intrerupt
Din ce sunt compuse pierderile totale din miezul feromagnetic al transformatorului

One correct answer

  • Din pierderile prin histerezis si pierderile prin curenti turbionari✓ Correct answer
  • Din pierderile prin histerezis si pierderile din intrfier
  • Din pierderile de mers in gol si pierderile prin curenti turbionari

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What language are the questions in?

Questions and answer options retain the language of the original bank. You can change the interface language separately.

Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.