Question

Uniform and consistent castings can be obtained by __________ method in molding.

(a) Injection Molding

(b) Pit Molding

(c) Machine Molding

(d) Bench

The question was asked by my college director while I was bunking the class.

This is a very interesting question from Methods of Sand Moulding topic in section Sand Moulding of Foundry and Forging

Answer 1

The correct option is (c) Machine Molding

To explain: As the operations like ramming, rolling of the mould over, withdrawing the pattern etc, are done by the machines, the operations are done faster and identical. Due to this, consistent products are obtained.