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RO-M4

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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-M4” contains 37 questions across 1 collection.

Learning

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Sample questions and answers

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Valvula cu sertar indicata in fig. ITA 47este prezentata cu un sistem de etansare la tija formata din…Question illustration

One correct answer

  • garnitura mecanica rotativa formata din doua piese
  • garnituri inelare din cauciuc
  • conducta de etansare externa
  • garnituri moi, inelare ce etanseaza prin strangere✓ Correct answer
Dupa ce parasesc scruberul instalatiei de gaz inert gazele arse sunt preluate de catre:

One correct answer

  • compresoare;
  • ventilatoare;✓ Correct answer
  • pompe de vid;
  • ejectoare.
Valvula A din fig. ITA 140 prezinta scurgeri de fluid pe langa ventil. Pentru repararea defectiunii trebuie…Question illustration

One correct answer

  • sa inlocuim intregul ansamblu capac si tija
  • sa scoatem roata de manevra, scoatem apoi componentele 4 si 5 apoi inlocuim componenta 6 si reasamblam in ordine inversa
  • demontam valvula si inlocuim scaunul✓ Correct answer
  • demontam valvula si inlocuim scaunul cu corpul valvulei
Un tambur pentru parama metalica, utilizat la macaraua a carei instalatie hidraulica este prezentata in fig. ITA-161, este impiedicat sa fileze in mod accidental prin:Question illustration

One correct answer

  • folosirea unui motor hidraulic cu cursa variabila bidirectional;
  • supapa, cu contragreutate similara cu cea folosita la circuitul bratului macaralei;
  • folosirea unui set de arcuri pentru frana hidraulica si o supapa de retinere pe circuit;✓ Correct answer
  • deplasand distribuitorul 8, pe pozitia 1.
Sectiunea flansei indicata cu D din fig. ITA 18 reprezinta…Question illustration

One correct answer

  • flansa cu izolatie de portelan
  • flansa cu mufa si fretare circulara✓ Correct answer
  • flansa de laminare
  • flansa filetata

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