Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements None of these Mortars Castables Cements None of these Mortars Castables ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Decreases with increase in porosity Is unaffected with change in service temperature Increases with rise in service temperature Decreases with rise in service temperature Decreases with increase in porosity Is unaffected with change in service temperature Increases with rise in service temperature Decreases with rise in service temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 80 95 60 45 80 95 60 45 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Is a non-plastic material All of these Contains both alumina and silica Iscrushed firebrick Is a non-plastic material All of these Contains both alumina and silica Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. None of these Silicon carbide Zirconia Magnesia None of these Silicon carbide Zirconia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits ANSWER DOWNLOAD EXAMIANS APP
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