Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as ______________ percent?

Related Mcqs:

Lower part of hot metal mixer are lined with _____________ bricks?

A. Superduty fireclay B. High alumina C. Silica D. Carborundum...

_____________ nozzles are used in continuous casting of steel?

A. Zircon B. Thoria C. Carborundum D. Beryllia...

Fireclay bricks are never used in the______________?

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

Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves ?

A. High refractoriness B. High resistance to spalling C. High strength and density D. All A., B. and C....

Addition of grog in fireclay brick during its manufacture is advantageous, because it results in_____________________?

A. Less shrinkage in heating, decreased apparent porosity & increased specific gravity B. High strength & thermal spalling resistance C. Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production D. All A., B. and C....