Question

Permanent mold casting is otherwise known as _____________

(a) Pressure die casting

(b) Gravity die casting

(c) Centrifugal casting

(d) Continuous casting

I have been asked this question during an interview.

My doubt is from Casting Processes in section Testing of Materials, Foundry & Powder Metallurgy of Engineering Material & Metallurgy

Answer 1

The correct choice is (b) Gravity die casting

The best explanation: In gravity die casting, the mold is generally made of two halves hinged at one end. This method is useful for making simple components with uniform wall thickness. This process is otherwise also known as permanent mold casting.