In sand casting of magnesium alloys, what is the amount of silica sand used in an American mix?
(a) 80 lb
(b) 90 lb
(c) 100 lb
(d) 110 lb
The question was posed to me by my college professor while I was bunking the class.
The question is from Magnesium Alloys topic in section Foundry Introduction & Materials of Casting-Forming-Welding II