Which of the following is used to obtain fine surface finish in ferrous castings?
A)Ground pitch
B)Sea coal
C)Gilsonite
D)any of the above

Name: Which of the following is used to obtain fine surface finish in ferrous castings? A)Ground pitch B)Sea coal C)Gilsonite D)any of the above
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Question

Quizplus · Accepted Answer

All the options listed, Ground pitch, Sea coal, and Gilsonite, are additives used in the molding sand of ferrous castings to improve surface finish and other properties.

Which of the Following Is Used to Obtain Fine Surface