Refractory Technology Refractory bricks having lower porosity have Low thermal conductivity High insulating properties Low heat capacity Greater strength Low thermal conductivity High insulating properties Low heat capacity Greater strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? High alumina bricks Fireclay bricks Tar dolomite bricks Mullite bricks High alumina bricks Fireclay bricks Tar dolomite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Contains both alumina and silica Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica Iscrushed firebrick All of these Is a non-plastic material ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. High alumina Carborundum Silica Superduty fireclay High alumina Carborundum Silica Superduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Resistance to slag attack of a refractory Decreases at higher temperature Depends on the nature of slag & refractory All of these Decreases, if defective joints & cracks exist in the refractory Decreases at higher temperature Depends on the nature of slag & refractory All of these Decreases, if defective joints & cracks exist in the refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Fireclay Dolomite Magnesite Silica Fireclay Dolomite Magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
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