Question 26
A condition describing a refractory lining that is soft and friable
Question 27
Fiber concentrations typically range is
Question 28
A natural or synthetic mineral theoretically consisting solely of alumina (Al2O3), specific gravity 4.00 - 4.02, melting point 3720?F. (2050? C) Hardness 8.8 is called
Question 29
A moldable refractory material that can be extruded and has a level of workability that permits it to be pounded into place to form a monolithic structure
Question 30
The welding method utilizing an arc-welding machine in conjunction with a timer and a gun is called