원형제작원형기능사 · 2002년10월06일 · 50/60
50.금속의 재질별 수축량을 나타낸것 중 틀린 것은?(정답률:알수없음)
1
주철 :
[IMG]https://img.comcbt.com/cbt/data/cdw/cdw20021006/cdw20021006m50b1-1.gif?1622028162
2
알루미늄 합금 :
[IMG]https://img.comcbt.com/cbt/data/cdw/cdw20021006/cdw20021006m50b2-1.gif?1622028162정답
3
주강(두께10mm이상) :
[IMG]https://img.comcbt.com/cbt/data/cdw/cdw20021006/cdw20021006m50b3-1.gif?1622028162
4
청동 :
[IMG]https://img.comcbt.com/cbt/data/cdw/cdw20021006/cdw20021006m50b4-1.gif?1622028162