Question

Cores are subjected to severe thermal and mechanical conditions.

(a) Completely true

(b) Partially true

(c) Completely false

(d) Partially false

The question was posed to me by my college director while I was bunking the class.

This interesting question is from Different Functions of Core topic in division Core and Core Making of Casting-Forming-Welding I

Answer 1

The correct choice is (a) Completely true

To explain I would say: Due to the direct pouring of molten metal (of elevated temperature) the cores are subjected to severe thermal and mechanical conditions and proper steps must be taken to avoid pattern or mold spoliation.