
Obrada materijala 1.s 2 test
Quiz
•
Science
•
1st Grade
•
Medium
Ivan Zelenika
Used 2+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Valjati se može samo u toplom stanju
točno
netočno
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Materijali većeg presjeka valjaju se pretežno u toplom stanju, zbog veće plastičnosti i mogućnosti puno većih redukcija presjeka, te manjih sila i manjeg utroška rada
točno
netočno
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Uzdužno valjanje je valjanje kod kojeg sirovac ulazi među suprotno rotirajuće valjke.
točno
netočno
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kod kosog valjanja osi profilnih valjaka stoje pod nekim kutom
točno
netočno
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Valjci su alati za valjanje i dijele se na : ( 4 odgovora)
ravne valjke
profilne valjke
kalibar valjke
valjke s gravurom
konusne valjke
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Cijevi se dijele na :
šavne
bešavne
linijske
nelinijske
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Šavne cijevi služe za visokotlačne instalacije
točno
netočno
8.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Oblikovanje limenih traka hladnim valjanjem je proces u kojem se lim odmah oblikuje kroz samo jednu operaciju savijanja pomoću velikog broja pari horizontalnih profilnih valjaka povezanih u seriju.
točno
netočno
9.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Tlačenjem lima na rotacionu šablonu se izrađuju složeni rotacioni oblici
točno
netočno
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