Question

Pit moulding is used for _________

(a) Low weighting castings

(b) Moderate weighting castings

(c) Heavy weighting castings

(d) Making castings that requires less time to process

I have been asked this question in a national level competition.

This key question is from Molding Processes in division Mold and Mold Making of Casting-Forming-Welding I

Answer 1

Correct choice is (c) Heavy weighting castings

Explanation: Very heavy castings can be made out using pit moulding process. Castings weighing up to 150 tons can be processed through pit moulding.