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RO-ERCAN

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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 — RO-ERCAN” contains 11 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.

Arderea combustibilului in focar prezinta aspectul: culoare rosie, varfurile flacarii sunt negre, nu cuprinde intregul focar, fumul la cos este negru, daca…

One correct answer

  • arderea este fara aer suficient;✓ Correct answer
  • coeficientul de exces de aer este 1,8…2;
  • sarcina caldarii se reduce, iar cantitatea de combustibil scade;
  • raportul aer-combustibil este corect.
La aparitia fisurilor in corpul caldarii, ce masuri trebuie luate:

One correct answer

  • se face purjarea de fund pentru evacuarea depunerilor de namol;
  • se opreste caldarea, se raceste lent, se remediaza fisura;✓ Correct answer
  • se opreste pompa de alimentare;
  • se consemneaza incidentul.
Debitul de abur livrat de caldare….

One correct answer

  • este constant daca viscozitatea combustibilului este corecta;
  • este variabil functie de temperatura combustibilului;
  • este constant daca se regleaza temperatura de supraincalzire a aburului;
  • este functie de cerintele consumatorilor, dar trebuie mentinute presiunea si temperatura aburului.✓ Correct answer
Tamponarea tuburilor se poate face cu…

One correct answer

  • dopuri metalice cilindrice cu guler;
  • dopuri metalice sferice;
  • dopuri din plumb;
  • dopuri metalice de forma tronconica cu o conicitate de 1/10 din diametrul interior al tevii.✓ Correct answer
Arderea combustibilului in focar prezinta aspectul: culoare galben deschis, cu varfuri incolore, fumul la cos este incolor, daca…

One correct answer

  • coeficientul de exces de aer este 0,85;
  • raportul aer-combustibil este corect;✓ Correct answer
  • sarcina caldarii este de 50 %, iar consumul de combustibil este maxim;
  • s-a micsorat tirajul si s-a marit cantitatea de combustibil.

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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.