Question

Which of the following is a function of a core in casting?

(a) Interior cavitational passages in a casting

(b) To shape an external part of a more intricate casting

(c) To strengthen and improve inner and outer surface of the mold

(d) All of the mentioned

The question was asked in a national level competition.

This key question is from Different Functions of Core in section Core and Core Making of Casting-Forming-Welding I

Answer 1

Correct choice is (d) All of the mentioned

The explanation is: A core has versatility of its functions, all the listed functions a core can perform. Moreover, a core has more functions as well.