Question 21
All the samples for the CCs test must be dried at 220 to 230?C (105 to 110?C) for
Question 22
In ceramics, the property of resistance to melting, softening, or deformation at high temperature is called.
Question 23
The surface of a refractory section not exposed to the source of heat
Question 24
The term that describes the condition of pre-set refractory in which gravitational forces cause it to lose its desired shaped is called
Question 25
Additives used to facilitate moisture removal of refractory linings during dry out are called