Question

Which of the following is not a function of a core?

(a) It is used to form internal cavities

(b) It is used to form a part of green sand mould

(c) It is used as a part of gating system

(d) It is used as a part of furnace

I have been asked this question by my college director while I was bunking the class.

I'd like to ask this question from Different Functions of Core topic in chapter Core and Core Making of Casting-Forming-Welding I

Answer 1

Correct option is (d) It is used as a part of furnace

To explain: All of the above functions are that of a core except that the core is never a part of the furnace. somehow it may be used to a path to enhance the flow of molten metal.