
Lipirea metalelor
Authored by Eugenia Bublicenco
Professional Development
2nd Grade
Used 1+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Bifaţi răspunsurile (alegere multiplă) corecte. Lipirea se realizează cu utilizarea fluxurilor , care
toptesc aliajul de lipit
dizolvă şi înlătură oxizii de pe suprafaţa metalului
protejează materialul de bază de oxidare
îmbunătăţeşte umectaerea şi scurgerea (lipiturii ) materialului de adaos
2.
MULTIPLE CHOICE QUESTION
20 sec • Ungraded
Bifaţi A dacă afirmaţia este adevărată şi F , dacă e falsă
Spre deosebire de sudare, lipirea nu presupune topirea metalului de bază fiind suficientă doar o încălzire a acestuia sub temperatura de topire
A
F
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Identificaţi ce tipurile de îmbinari lipite :
prin suprapunere
laterală
pe suprafeţe cilindrice
combinate
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Completaţi spaţiile libere. aliajele de lipit se produc sub formă de _________________, ___________________,_______________,___________________
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alegeţi răspunsurile corecte
Aliajele de lipit tari sunt pe bază de:
aluminiu, cupru
argint, nichel
plumb, staniu
cupru , magneziu
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ce operaţii cuprinde tehnologia de lipire:
curăţarea în prealabill a pieselor şi pregătirea îmbinării
stabilirea temperaturii şi duratei de lipire
recondiţionarea şi frezarea materialului
alegerea procedeului de lipire
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Completaţi spaţiile libere : Din punct de vedere economic şi al productivităţii muncii în special sunt mai avntajoase procedeele de lipire ____________, care se execută cu aliaje mai _________________ şi cu durate de lipire mici.
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