Refractory Technology MCQs

beehive coke ovens.

by-product coke ovens.

dome of blast furnace stoves.

roof of open hearth furnace.

superduty fireclay

high alumina

silica

carborundum

Tridymite

Cristobalite

Quartz

None of these

High alumina

Fireclay

Thoria

Silicon carbide

wetting characteristics

refractoriness

thermal conductivity

both (b) and (c)

fireclay

carbon

85% alumina

corundum

are stored under controlled temperature & humidity to avoid hydration.

are used in outer lining of L.D. converters.

have poorer hydration resistance than pitch bonded bricks.

all (a), (b) and (c)

beehive coke oven.

by-product coke oven walls.

combustion chamber of B.F. stoves.

coke oven regenerators.

alumina

thoria

zirconia

magnesia

Silica bricks

Fireclay bricks

Bauxite bricks

Magnesia bricks