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RO-CAN

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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-CAN” contains 50 questions across 1 collection.

Learning

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Sample questions and answers

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Trecerea tubulaturii prin peretii etansi ai navei se face astfel incat sa nu se deterioreze etansarea compartimentelor. In acest scop, una din metodele de fixare a tubulaturii, frecvent utilizata in etapa actuala, este:

One correct answer

  • cu suporti distantieri rigizi;
  • cu suporti distantieri cu resoarte;
  • cu suporti distantieri reglabili;
  • cu labirinti de etansare si fixare.✓ Correct answer
In schema de principiu din figura CAN 73, presiunea aburului este de 18 bar, iar ultimul schimbator de caldura este preincalzitorul de aer. Care parametri sunt corecti…Question illustration

One correct answer

  • t ia = 220 grade C, tg e= 160 grade C;
  • tg e=200 grade C, t ia=150 grade C;✓ Correct answer
  • tg e=150 grade C, t ia =150 grade C;
  • t ge= t sat ( temperatura de roua), t ia=t sat =10 grade C.
Care din urmatoarele categorii de pierderi de caldura are drept cauza principala nerealizarea unui raport optim intre combustibil si aer:

One correct answer

  • pierderile prin ardere mecanic incompleta;
  • pierderile prin ardere chimic incompleta;✓ Correct answer
  • pierderile gazelor de ardere la cos;
  • pierderile prin radiatie si convectie in mediul exterior.
Ce semnifica punctul de roua acida:

One correct answer

  • temperatura la care se condenseaza vaporii de apa din gazele de ardere la cos;
  • temperatura gazelor de ardere in zona de evacuare la cos;
  • temperatura la care se condenseaza vaporii de apa in zona economizorului;
  • temperatura la care se condenseaza anhidrida sulfurica din gazele de ardere.✓ Correct answer
In figura CAN 55.e. tevile fierbatoarele sunt dispuse …Question illustration

One correct answer

  • in zigzag pe camerele sectionate dispuse orizontal;✓ Correct answer
  • in zigzag pe tamburul superior;
  • in zigzag pe tamburul inferior;
  • in zigzag pe camerele sectionate dispuse vertical.

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