Question

Uniform sand hardness is obtained throughout mould by which of the following moulding machines

Answer 1

The answer is diaphragm molding machine.

Uniform sand hardness is obtained throughout the mold by the diaphragm molding machine. When sand is passed through this machine, it has the same hardness throughout. Diaphragm molding is often more economical than most other press molding methods because the sand can be molded with the help of a single mold.