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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 — 09_MAI — RO-PT” contains 6 questions across 1 collection.

Learning

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

Asa-numita detonatie diesel este cauzata de:

One correct answer

  • Penetratia mare a jetului de combustibil;
  • Durata prea mare a injectiei;
  • Durata prea mica a injectiei;
  • Intarziere mare la autoaprinderea combustibilului.✓ Correct answer
Caracteristica de debit a compresorului centrifugal de supraalimentare a unui motor naval reprezinta:

One correct answer

  • Variatia raportului de comprimare al agregatului in functie de turatia motorului;
  • Variatia raportului de comprimare in functie de turatia compresorului;
  • Variatia randamentului compresorului si raportului de comprimare in functie de turatia compresorului;
  • Variatia randamentului compresorului si raportului de comprimare in functie de debitul de aer aspirat de compresor, la diverse turatii ale compresorului.✓ Correct answer
Efectul scaderii raportului de comprimare asupra performantelor motorului este urmatorul:

One correct answer

  • Cresterea randamentului termic al motorului;
  • Cresterea solicitarilor termo-mecanice ale motorului;
  • Cresterea presiunii medii efective;
  • Cresterea pericolului de ratare a pornirii motorului.✓ Correct answer
Figura PT 8 reprezinta:

One correct answer

Question illustration
  • Diagrama de pompaj pentru un motor in patru timpi;
  • Diagama de baleiaj pentru un motor in patru timpi;
  • Diagrama de pompaj pemtru un motor in doi timpi;
  • Diagrama de baleiaj pentru un motor in doi timpi.✓ Correct answer
Care dintre elementele enumerate mai jos este utilizat efectiv pentru generarea turbulentei necesare unei arderi corspunzatoare in motoarele diesel:

One correct answer

  • Supapa de evacure;
  • Segmenti de constructie speciala;
  • Turbosuflanta;
  • Camera de preardere.✓ Correct answer

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