Postupak obrade metala plastičnom deformacijom koji se izvodi se propuštanjem materijala između dva valjka koji se okreću u suprotnim smjerovima ,naziva se:

TOIM

Quiz
•
Science
•
2nd Grade
•
Medium
Julija Lesjak
Used 39+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
vučenje
popuštanje
istiskivanje
valjanje
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Materijali koje karakterizira velika plastičnost su:
živa
olovo
srebro
zlato
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
S povećanjem temperature metala smanjuje mu se ________________, a povećava plastičnost.
temperatura
čvrstoća
plastičnost
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Čelik i ostale metale koji imaju manju plastičnost prije valjanja zagrijavamo kako bi im smanjili ______________ prema promjeni oblika.
temperaturu
trenje
otpor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako metal zagrijemo na previsoku temperaturu on gubi _______________ (pregori) pa prilikom valjanja puca.
plastičnost
čvrstoću
temeperaturu
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Proizvode vrućeg valjanja dijelimo na:
poluproizvode
gotove proizvode
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Postupak obrade metala plastičnom deformacijom koji se koristi za proizvodnju žice ,naziva se:
istiskivanje
vučenje
valjanje
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