14_MAICN

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14_MAICN
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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-MAI S3 — 14_MAICN” contains 11 questions across 1 collection.

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Sample questions and answers

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Ce masuri se iau in cazul observarii supraincalzirii locale a tuburilor de apa din zona focarului sau a altor parti metalice din interiorul caldarii?

One correct answer

se verifica si se remediaza cauzele
se opreste imediat caldarea✓ Correct answer
se micsoreaza, pentru scurt timp, cantitatea de combustibil arsa in focar

Ce sunt caldarinele navale?

One correct answer

sunt generatoare de abur saturat avand parametrii medii✓ Correct answer
sunt generatoare de abur de tipul caldarilor navale, dar de dimensiuni si debite reduse, in care se obtine abur supraincalzit
sunt niste caldari de dimensiuni mai mici folosite pentru propulsia navelor mici

Ce indica culoarea alba a gazelor la iesirea pe cosul caldarii?

One correct answer

in focar se gaseste prea mult aer de combustie
se semnalizeaza prezenta apei in combustibil, sau spargerea unor tuburi✓ Correct answer
combustia este buna

Cum se efectueaza curatirea interioara a caldarilor?

One correct answer

cu ajutorul unor perii de sarma de otel, si raschete se curata funinginea si cenusa de pe suprafetele exterioare ale tuburilor si colectoarelor
se face cu ajutorul unui jet de abur sau aer comprimat, prin suflare
se face, mecanic, cu ajutorul unor raschete, perii de sarma, lanturi, parame de otel etc si chimic, prin procedeul numit fierberea caldarii, in scopul indepartarii depunerilor din spatiul de apa al caldarii✓ Correct answer

Ce masuri se iau in cazul observarii supraincalzirii locale a tuburilor de apa din zona focarului sau a altor parti metalice din interiorul caldarii?

One correct answer

se opreste imediat caldarea✓ Correct answer
se reduce turatia masinii, inchizand partial ventilul de abur si efectuand purjari de suprafata si de fund
se inchide imediat valvula principala de abur

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