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RO-M7

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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-M7” contains 73 questions across 1 collection.

Learning

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Sample questions and answers

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Daca aveti o pompa cu miscare alternativa, duplex, cu simpla actiune care are: n = 190 [rot.min]; D = 100 [mm.]; S = 200 [mm.], care lucreaza cu un randament volumetric = 85 [%], care este debitul (capacitatea) acestei pompe:

One correct answer

  • 30,126 mc/h;
  • 30,326 mc/h;
  • 30,426 mc/h;✓ Correct answer
  • 30,526 mc/h.
Care din urmatoarele moduri de aranjare ale clapetilor unei pompe cu piston ar permite aspiratia din camera de aspiratie concomitent cu refularea prin camera de refulare in timpul curselor ascendente si descendente ale pistonului?

One correct answer

  • doua seturi de clapeti de aspiratie si refulare in cilindru;
  • doua seturi de clapeti, unul pentru aspiratie si unul pentru refulare situate in camera de apa;✓ Correct answer
  • un set de clapeti in camera de apa si un alt set de clapeti in cilindru;
  • doua supape de siguranta, cate una pe fiecare cilindru.
Cand etansarea tijei pistonului unei masini alternative cu abur continua a avea scurgeri, cauza poate fi:

One correct answer

  • scapari ale garniturii tijei pistonului;
  • infundarea filtrului de aspiratie;
  • deschiderea supapei de aerisire;
  • abaterea de la paralelism a glisierii capului de cruce.✓ Correct answer
Daca aveti o pompa cu miscare alternativa, simplex cu simpla actiune care are: turatia n = 180 [rot./min.]; diametrul D = 100 [mm.]; cursa S = 300 [mm.] si care lucreaza cu un randament volumetric 80 [%], care este debitul (capacitatea) pompei?

One correct answer

  • 20,247 mc/h;
  • 20,347 mc/h;✓ Correct answer
  • 20,447 mc/h;
  • 20,507 mc/h.
Daca aveti o pompa cu miscare alternativa, duplex cu dubla actiune care are: n = 170 [rot./min.]; D = 150 [mm.]; S = 350 [mm.], care lucreaza cu un randament volumetric = 89 [%], care este debitul mediu efectiv al acestei pompe:

One correct answer

  • 224,576 mc/h;
  • 224,476 mc/h;✓ Correct answer
  • 224,376 mc/h;
  • 224,276 mc/h.

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