With increase in the alumina content in firebricks, its fusion point (refractoriness) ?

Related Mcqs:

Bauxite calcining rotary kilns are lined with ________________ bricks?

A. Fireclay B. Carbon C. 85% alumina D. Corundum...

Zircon refractories have__________________?

A. Low co-efficient of expansion B. High RUL (1600°C) and refractoriness (> 2000°C) C. High spalling resistance D. All A., B. and C....

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...