Question

The material which can withstand very high temperature without melting or be becoming soft is called _______. These are used in making ______ of furnaces.

• A. refractory materials, inner lining
• B. flux, base
• C. brick materials, outer structure
• D. mica, outer lining

Answer 1

Answer: (A)

refractory materials, inner lining

Refractory materials are those which can withstand high temperatures. They are used to make inner lining in furnaces.