
Test Tehno cls7
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Denisa Berciu
FREE Resource
Enhance your content in a minute
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este principalul element din compoziția fontelor?
Fier
Cupru
Aluminiu
Nichel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oțelurile sunt aliaje pe bază de:
Aluminiu și mangan
Fier și carbon
Nichel și crom
Cupru și zinc
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce metal se utilizează frecvent în industria aeronautică datorită greutății reduse?
Oțel
Aluminiu
Plumb
Cupru
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fonta este:
Un material foarte ductil
Un material fragil, dar rezistent la compresiune
Mai elastică decât oțelul
Utilizată preponderent în electronice
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele metale este un bun conductor electric?
Nichel
Plumb
Staniu
Aluminiu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oțelul inoxidabil conține:
Nichel, crom și fier
Cupru, zinc și aluminiu
Doar fier și carbon
Fier, carbon și plumb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele metale este cel mai dens?
Fier
Plumb
Aluminiu
Cupru
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