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RO-M8

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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 — 11_MIAMH — RO-M8” contains 59 questions across 1 collection.

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Sample questions and answers

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Care din urmatoarele afirmatii reprezinta principiul de masurare al vascozitatii…

One correct answer

  • principiul curgerii prin tuburi capilare in care se masoara caderea de presiune ce este o functie de vascozitate
  • principiul curgerii laminare in jurul unor corpuri in miscarea de translatie sau rotatie, masurand rezistenta de miscare
  • principiul curgerii fluidelor printr-un orificiu calibrat masurand timpul de curgere
  • toate de mai sus✓ Correct answer
Care din urmatoarele afirmatii precizeaza performantele stationare si tranzitorii ale unui sistem de reglare automata?

One correct answer

  • eroarea stationara si suprareglajul
  • durata regimului tranzitoriu si gradul de amortizare
  • timpul de crestere, timpul primului maxim si timpul atingerii a unei valori stationare
  • toate de mai sus✓ Correct answer
Care din urmatoarele afirmatii defineste cel mai bine notiunea de vascozitate?

One correct answer

  • prin vascozitate se intelege frecarea ce apare intre straturile de fluid si peretii conductei prin care se deplaseaza
  • prin vascozitate se intelege frecarea interna ce apare la deplasarea relativa a doua straturi de particule ale unui fluid in miscarea laminara✓ Correct answer
  • prin vascozitate se intelege proprietatea unui fluid de a si mari volumul si apare o frecare suplimentara intre straturile acestuia
  • prin vascozitate se intelege proprietatea unui fluid de a si micsora volumul si frecarea dintre straturile de fluid se micsoreaza
Care din afirmatiile indicate descrie cel mai bine reactia initiala a parghiei oscilante a regulatorului, indicat in fig.AHP-021, la reducerea sarcinii?

One correct answer

Question illustration
  • parghia oscilanta se ridica la capatul tijei de viteza a traductorului de turatie
  • parghia oscilanta coboara la capatul tijei de viteza a traductorului de turatie✓ Correct answer
  • parghia oscilanta ramane fixa
  • parghia oscilanta se deplaseaza spre stanga
Care din unitatile enumerate mai jos reprezinta o masura a vascozitatii dinamice si cinematice in sistemul international de unitati…..

One correct answer

  • mng_ahp37m_6a.mht
  • mng_ahp37m_6b.mht✓ Correct answer
  • mng_ahp37m_6c.mht
  • nu au unitati de masura

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