Test de evaluare materiale metalice
Authored by Neagu Anisoara
Instructional Technology
7th Grade
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Fonta este un aliaj al fierului cu
otel ul
carbonul
aluminiul
cuprul
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cel mai raspandit metal din scorta terestra este
fierul
cuprul
argintul
aluminiul
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bronzul este aliajul cuprului cu
aluminiu
magneziu
staniu
zinc
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Plumbul se foloseste la fabricarea de
baterii de masini
bijuterii
tocuri de ferestre
folii alimentare
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Fonta se obtine prin topirea si reducerea minereurilor de fier in cuptoare speciale numite
cuptoare electrice
furnale
convertizoare
cuptoare cu microunde
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Principalul minereu din care se extrage aluminiul se numeste
azuritul
galena
caseritul
bauxita
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