Silicon carbide refractories have very low ___________________?

Related Mcqs:

The linear thermal expansion of _______________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent?

A. Fireclay B. Silica C. Magnesite D. Corundum...

Which is the stable form of silica upto 1470°C ?

A. Quartz B. Cristobalite C. Tridymite D. None of these...

Magnesite refractories are generally not used in the___________________?

A. Electric furnace walls B. Steel melting furnace C. Open hearth furnace D. Burning zone of cement kilns...

Ramming masses are used for____________________?

A. Obtaining monolithic working faces B. Repairing construction of various furnace parts C. Both A. & B. D. Neither A. nor B....

In panel test for spalling resistance, the average face temperature of panel assembly is maintained at ______________ °C for 24 hours?

A. 700 B. 1000 C. 1600 D. 2000...