Question

Finishing also includes removal of scales from the surface of the casting.

(a) True

(b) False

The question was posed to me during an internship interview.

I'd like to ask this question from Finishing Patterns & Storing of Patterns in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer 1

Correct option is (a) True

To elaborate: When the casting is made in the mould cavity, some of the oxides layers called as scales adhere tightly to the surface of metal casting, which should be removed for making casting strong and durable. So to achieve this, proper finishing and cleaning are done with the help of tools to make casting free from scales.