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RO-ITE 07

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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 — 24_MIMB — RO-ITE 07” contains 12 questions across 1 collection.

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Sample questions and answers

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Limita de inflamabilitate a amestecului vapori de petrol-aer este cuprinsa intre:

One correct answer

  • 1,0% si 99% din volumul atmosferei;
  • 10% si 90% din volumul atmosferei;
  • 1% si 10% din volumul atmosferei;✓ Correct answer
  • 1% si 15% din volumul atmosferei.
Supapele de aerisire ale cargotancului se deschid atunci cand:

One correct answer

  • in cargotanc presiunea atinge valoarea de 1.450 mm. coloana de apa si la un vacuum de 700 mm. coloana de apa;✓ Correct answer
  • in cargotanc presiunea atinge valoarea de 700 mm. coloana de apa si la vacuum de 1.750 mm. coloana de apa;
  • in cargotanc presiunea atinge valoarea de 700 mm. coloana de apa si la un vacuum de 500 mm. coloana de apa;
  • cand temperatura gazului inert depaseste 60 grd.C.
Inertarea tancurilor la navele petroliere se realizeaza prin urmatoarele metode:

One correct answer

  • metoda dilutiei;
  • metoda extractiei;
  • metoda dislocarii;
  • 1 si 2.✓ Correct answer
Aerul atmosferic existent in cargotancuri are o compozitie volumica formata din:

One correct answer

  • 79% azot, 8% oxigen; 13% bioxid de carbon;
  • 79% azot, 21% oxigen;✓ Correct answer
  • 79% azot, 8% bioxid de carbon, 13% oxigen;
  • 21% azot, 5% oxigen, 70% bioxid de carbon.
Inertarea prin metoda dilutiei se realizeaza atunci cand….

One correct answer

  • introducerea gazului inert se face la parametrii redusi de curgere( debit, viteza), astfel incat gazul inert ce este mai usor decat aerul sau celelalte gaze va crea o suprafata de separatie;
  • introducerea gazului inert se face la parametri redusi de curgere ( debit, volum) astfel incat gazul inert ce este mai greu decat aerul sau celelalte gaze va crea o uprafata de separatie;
  • fluxul de gaz inert ce patrunde in cargotanc prezinta o viteza suficient de mare astfel incat gazele inerte introduse pot sa atinga fundul tancului realizand in acelasi timp un proces de turbionare puternic;✓ Correct answer
  • fluxul de gaz inert ce patrunde in cargotanc prezinta o viteza redusa, incat gazele inerte introduse pot sa atinga fundul tancului realizand astfel o suprafata de separatie.

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