Refractory Technology Panel test determines the __________ of refractories. Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? High thermal conductivity Both A & B Neither A nor B Low porosity High thermal conductivity Both A & B Neither A nor B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Regenerators Muffle furnaces Insulation Coke ovens Regenerators Muffle furnaces Insulation Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Mortars None of these Castables Cements Mortars None of these Castables ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Both A & B Specific gravity Neither A nor B Volume Both A & B Specific gravity Neither A nor B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog All of these Contains both alumina and silica Is a non-plastic material Iscrushed firebrick All of these Contains both alumina and silica Is a non-plastic material Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP