Proizvodnja i svojstva metala
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Antonio Porobija
Used 3+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Znanost koja proučava dobivanje i primjenu metala naziva se:
oceanografija
energetika
metalurgija
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Koji od navedenih metala ima najviše talište?
živa
zlato
željezo
volfram
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Crna metalurgija podrazumijeva dobivanje:
bakra i mjedi
željeza i cinka
željeza i čelika
aluminija i fosfora
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koji od navedenih materijala služi kao sredstvo za zagrijavanje u visokim pećima u kojima se proizvodi željezo?
koks
željezna ruda
vapnenac
troska
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Označi sva svojstva metala koja pripadaju skupini mehaničkih svojstava. (3 točna)
tvrdoća
korozija
čvrstoća
vatrootpornost
žilavost
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sposobnost metala da mijenja svoj oblik pri djelovanju sila koje prouzrokuje udarac čekića naziva se:
elastičnost
lijevnost
kovnost
plastičnost
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Legura bakra i kositra naziva se:
aluminij
mesing
bronca
nehrđajući čelik
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