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
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.