Question

What is hearth in a furnace?

(a) The electrodes are often called hearth

(b) The walls of the furnace

(c) The bowl shaped bottom of the furnace

(d) The dome shaped roof of the furnace

The question was asked in quiz.

The above asked question is from Furnaces for Melting in division Pouring – Gating Design, Melting Furnaces, Melting and Casting Quality of Casting-Forming-Welding I

Answer 1

Correct option is (c) The bowl shaped bottom of the furnace

The best explanation: The hearth is that bowl shaped bottom of the furnace. It is made up of a high refractory material (bricked and granular).