Question

_______________ used in patterns as heat resistant materials.

(a) Fluxes

(b) Refractories

(c) Resin

(d) Acids

I had been asked this question by my school principal while I was bunking the class.

I'd like to ask this question from Materials used for Patterns topic in division Casting Processes of Foundry and Forging

Answer 1

The correct option is (b) Refractories

To explain: The refractories are called the heat resistant materials as they can withstand high temperatures without being fused. This is an important property used in design of patterns.