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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 — CNMTA-Foch” contains 55 questions across 2 collections.

Learning

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Sample questions and answers

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Care este principalul factor care influenteaza timpul de ridicare a presiunii la caldarea navala in etapa de punere in functiune:

One correct answer

  • cantitatea de combustibil care arde in focarul caldarii in perioada de ridicare✓ Correct answer
  • valoarea coeficientului de exces de aer;
  • temperatura de vaporizare
  • presiunea de vaporizare.
Cu ce trebuie prevazute indicatoarele de nivel…

One correct answer

  • sita de azbest pentru izolare termica;
  • cu robineti de retinere pe partea de apa;
  • cu robineti de retinere pe partea de abur;
  • cu dispozitive de inchidere atat pe partea spatiului cu apa, cat si pe partea spatiului cu abur.✓ Correct answer
Temperatura de lucru maxim admisibila a aburului in caldare, care se mentine la o valoare constanta in timpul functionarii caldarii in regim normal, poarta denumirea de:

One correct answer

  • temperatura de utilizare;
  • temperatura de regim;
  • temperatura de proba;
  • temperatura nominala✓ Correct answer
Arderea combustibilului in focar prezenta 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;
  • sarcinea caldarii se reduce, iar cantitatea de combustibil scade;
  • raportul aer-combustibil este corect.
Circulatia naturala a apei in caldare este datorata…

One correct answer

  • diferentei de temperatura dintre temperatura de vaporizare si temperatura apei de alimentare;
  • impulsului de circulatie creat de diferenta de greutati specifice intre apa din tuburile dispuse la distanta mai mare de focar si tuburile din vecinatatea focarului;✓ Correct answer
  • cantitatii de substante folosite la tratarea apei;
  • presiunii apei de alimentare.

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