
Ručna obrada OOČ
Authored by Veljka Zugec
Science
1st Grade
Used 8+ times

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45 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Koji postupak/ postupci ne pripada/ pripadaju postupcima ručne obrade odvajanjem čestica?
sječenje
piljenje
turpijanje
kaljenje
žarenje
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Označi postupke koji ne pripadaju skupini postupaka obrade odvajanjem čestica
savijanje
kovanje
lijavanje
turpijanje
grecanje
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Osnovni element svih alata koji svojim vrhom ulazi u materijal i odvaja česticu je
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliki će biti kut klina (β) ovisi o vrsti materijala koji se obrađuje. Za obradu mekših materijala ti su kutovi manji.
Točno
Netočno
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ploča za ocrtavanja i obilježavanje služi za oslanjanje predmeta kojeg treba ocrtati. Izrađuje se od lijevanog željeza, pri čemu su površina ploče i bočne strane fino obrađene. Na ploči se ne smije vršiti nikakva obrada čekićem (ravnanje).
Točno
Netočno
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
__________ u obliku slova V se izrađuju od lijevanog željeza i služe za oslanjanje valjkastih predmeta pri ocrtavanju.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
___________ __________ su osnovni alati u operaciji ocrtavanja. Izrađuju se od čelika, mjedi i bakra. Vrhovi i moraju biti s kutom oštrenja od 150 do 300 , što omogućava dobivanje tankih crta. Za zaštitu od povreda i za zaštitu vrha, ispravno je zabosti ih nakon upotrebe u čep od pluta.
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