Refractory Technology Fireclay bricks are never used in the Lead blast furnace Zinc roaster Coke oven walls Beehive oven Lead blast furnace Zinc roaster Coke oven walls Beehive oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of grog in fireclay brick during its manufacture is advantageous, because it results in All of these Less shrinkage in heating, decreased apparent porosity & increased specific gravity Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production High strength & thermal spalling resistance All of these Less shrinkage in heating, decreased apparent porosity & increased specific gravity Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production High strength & thermal spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Muffle furnaces Insulation Regenerators Coke ovens Muffle furnaces Insulation Regenerators Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Decreases May increase or decrease ; depends on its alumina content Remains constant Increases Decreases May increase or decrease ; depends on its alumina content Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Superduty fireclay Chromite Silica None of these Superduty fireclay Chromite Silica None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >2000 500 1000 >1350 >2000 500 1000 >1350 ANSWER DOWNLOAD EXAMIANS APP
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