The contraction of gold alloys on solidifying is
approximately:: (A) 0.40%, (B) 1.40%, (C) 2.40%, (D) 3.40%
Answer is B. All alloys shrink when they change from liquid to solid. The casting shrinkage in gold alloys is less (1.25 to 1.65%) when compared to base metal alloys.
Mannapalli 3 ed page no 276