Question

Molten metal is poured into the mould due to the effect of gravity with _______ external pressure in gravity die casting.

(a) High

(b) Low

(c) Medium

(d) No

I had been asked this question in an interview.

I want to ask this question from Gravity Die Casting topic in division Moulding Machines & Special Moulding Processes of Foundry and Forging

Answer 1

The correct option is (d) No

Explanation: Molten metal is poured into the mould under gravity only; no external pressure is applied to the force the liquid metal into the mold cavity. However, the liquid metal solidifies under pressure of metal in risers.