Refractory Technology Tar bonded dolomite bricks Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks All of these Are used in outer lining of L.D. converters Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks All of these Are used in outer lining of L.D. converters ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have High insulating properties Low heat capacity Greater strength Low thermal conductivity High insulating properties Low heat capacity Greater strength Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the most stable crystalline form of silica at room temperature? Tridymite Quartz None of these Cristobalite Tridymite Quartz None of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Beehive oven Zinc roaster Coke oven walls Lead blast furnace Beehive oven Zinc roaster Coke oven walls Lead blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher moulding pressure All of these Higher firing temperature Finer grog size Higher moulding pressure All of these Higher firing temperature Finer grog size ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Neither A nor B Better spalling resistance Less fusion point Both A & B Neither A nor B Better spalling resistance Less fusion point ANSWER DOWNLOAD EXAMIANS APP
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