Refractoriness of a typical silica brick corresponds to Segar cone number, ’32’, which is equivalent to a temperature of _____________ °C?

Related Mcqs:

Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns ?

A. 1800 B. 2200 C. 2400 D. 2700...

Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the_______________?

A. Hearth of the blast furnace B. Nuclear reactors, missiles & space crafts C. Insulation of high temperature furnaces D. Roof of electric furnaces...

Fireclay bricks are never used in the______________?

A. Beehive oven B. Coke oven walls C. Zinc roaster D. Lead blast furnace...

High density refractory bricks have lower__________________?

A. Spalling resistance B. Thermal conductivity C. Fusion point D. Slag penetration resistance...

. Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ______________ °C?

A. 500 B. 1000 C. >1350 D. >2000...