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RO-CN-PM

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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 — 02_NAVIGATIE — RO-CN-PM” contains 9 questions across 1 collection.

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Grafic pe harta, functie de procedeul utilizat de determinare a punctului navei, in cazul depistarii in cazul depistarii in prealabil a existentei erorilor sistematice de observare se aplica diverse metode pentru stabilirea celei mai probabile pozitii. Care din afirmatiile de mai jos este FALSA?

One correct answer

  • metoda triunghiurilor asemenea;
  • metoda locului de egala diferenta de relevment;
  • metoda dreptei de inaltime adevarata;
  • metoda reducerii relevmentelor la acelasi moment.✓ Correct answer
Erorile accidentale de masurare a parametilor de navigatie ( relevment, distanta, unghi orizontal, unghi vertical, inaltime) sunt determinate predominant de:

One correct answer

  • conditiile hidrometeorologice;
  • nivelul de instruire a observatorului;✓ Correct answer
  • precizia aparatului, instrumentului de masura utilizat;
  • momentul din zi sau noapte cand se executa observatiile.
Diminuarea influentei erorilor accidentale de observatie se realizeaza prin:

One correct answer

  • serii de masuratori efectuate in aceleasi conditii;✓ Correct answer
  • calibrarea instrumentului, aparatului utilizat;
  • efectuarea masuratorilor numai cand se intalnesc conditii optime de observare;
  • aplicarea corectiei corespunzatoare erorii sistematice de masurare.
Procedeul triunghiurilor asemenea sau procedeul locului de egala diferenta de relevment pot fi aplicate numai cu conditia ca;

One correct answer

  • sa existe conditii favorabile pentru executarea observatiilor;
  • drumul navei sa fie mentinut riguros constant;
  • sa existe certitudine ca observatiile sunt afectate numai de eroare sistematica;✓ Correct answer
  • observatiile sa fie simultane.
Indiferent de procedeul utilizat pentru determinarea punctului navei solutia pentru eliminarea eventualelor erori in punct este:

One correct answer

  • eliminarea erorilor grosiere de observare;
  • anularea prin corectii corespunzatoare a erorilor sistematice;
  • refacerea calculelor;
  • repetarea integrala a observatiilor.✓ Correct answer

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