Question

Core dryers are basically the flat surfaces used for supporting the cores in the moulding box.

(a) True

(b) False

This question was addressed to me in an interview for job.

I'd like to ask this question from Core Application topic in portion Core and Core Making of Casting-Forming-Welding I

Answer 1

The correct answer is (a) True

To elaborate: In the moulding box, the cores should be prevented from sagging and breaking. So for supporting the cores, flat surfaces are required which are commonly called as core dryers. Core dryers can be made as metal castings with thin sections in order to absorb minimum heat. For large production of castings, many core dryers are required. Core dryer is shown in the below figure-