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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 — 14_MAICN — RO-MAI S3” contains 13 questions across 1 collection.

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Sample questions and answers

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Ce indica culoarea neagra (culoare inchisa) a gazelor de evacuare pe cos, de la caldare?

One correct answer

  • excedent de aer in focar
  • spargerea unor tuburi
  • cantitatea de aer de combustie este insuficienta✓ Correct answer
Caldarinele cu combustibil sunt prevazute cu accesoriile interne si armaturile unei caldari normale?

One correct answer

  • nu sunt prevazute
  • sunt prevazute cu toate accesoriile interne si armaturile necesare unei caldari navale
  • da, mai putin placa calmanta si tubul culegator de abur✓ Correct answer
Ce sunt caldarinele navale?

One correct answer

  • sunt niste caldari de dimensiuni mai mici folosite pentru propulsia navelor mici
  • sunt generatoare de abur de tipul caldarilor navale dar de dimensiuni si debite reduse, la care se obtine abur saturat✓ Correct answer
  • sunt agregate termice la care se obtine abur la anumiti parametri de stare, folosit la actionarea masinilor termice cu abur, principale si auxiliare.
Cat timp dureaza ridicarea presiunii la cald in caldare?

One correct answer

  • incepe cu prima alimentare cu apa a caldarii si pana la atingerea presiunii de regim
  • de la pornirea injectorului cu aprindere si pana la atingerea presiunii minime de lucru a masinilor principale
  • in aceasta situatie se intalneste numai faza a treia si a patra a procesului de ridicare a presiunii in caldare✓ Correct answer
Cum se efectueaza curatirea exterioara a caldarilor?

One correct answer

  • se sterge cu carpa praful de pe invelisul exterior al caldarii
  • se face mecanic, cu ajutorul unor raschete, perii de sarma, lanturi, parame de otel, etc, si chimic, prin procedeul numit fierberea caldarii in scopul indepartarii depunerilor din spatiul de apa al caldarii
  • se face cu ajutorul unor perii de sarma de otel, raschete si prin suflare cu aer sau abur✓ Correct answer

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