Refractory Technology Which is the stable form of silica below 870°C ? Tridymite Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 44 24 8 58 44 24 8 58 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Neither A nor B Obtaining monolithic working faces Repairing construction of various furnace parts Both A & B Neither A nor B Obtaining monolithic working faces Repairing construction of various furnace parts Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Neither A nor B Less fusion point Both A & B Better spalling resistance Neither A nor B Less fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Neutral Insulating High alumina Basic Neutral Insulating High alumina Basic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP