Refractory Technology Which brick undergoes maximum shrinkage on drying? Chromite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks Chromite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Basic Insulating High alumina Neutral Basic Insulating High alumina Neutral ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Both A & B Neither A nor B Volume Specific gravity Both A & B Neither A nor B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Cristobalite None of these Tridymite Quartz Cristobalite None of these Tridymite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Decrease in crushing strength Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength Development of stable mineral form Vitrification Removal of water of hydration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
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