Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Mullite bricks Magnesite bricks Fireclay bricks Tar bonded dolomite bricks Mullite bricks Magnesite bricks Fireclay bricks Tar bonded dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Basic Bessemer converter Electric furnaces Basic open hearth furnace All of these Basic Bessemer converter Electric furnaces Basic open hearth furnace All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling resistance of a refractory can not be increased by Making it denser Decreasing its thermal co-efficient of expansion Increasing its porosity Using a coarser grog during its manufacture Making it denser Decreasing its thermal co-efficient of expansion Increasing its porosity Using a coarser grog during its manufacture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Chrome magnesite Magnesite Fireclay Dolomite Chrome magnesite Magnesite Fireclay Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Refractoriness Both B and C Thermal conductivity Wetting characteristics Refractoriness Both B and C Thermal conductivity Wetting characteristics ANSWER DOWNLOAD EXAMIANS APP