Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to high load Required to resist corrosive basic slag None of these Subjected to temperature fluctuation Subjected to high load Required to resist corrosive basic slag None of these Subjected to temperature fluctuation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Both A & B Specific gravity Volume Neither A nor B Both A & B Specific gravity Volume Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High resistance to fusion Low spalling resistance Low porosity High spalling resistance High resistance to fusion Low spalling resistance Low porosity High spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. High density Non-wetting characteristics High thermal conductivity Low porosity High density Non-wetting characteristics High thermal conductivity Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Gas producer Bottom of hot metal mixer Roof of open hearth furnace Cupola Gas producer Bottom of hot metal mixer Roof of open hearth furnace Cupola ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Graphite Chromite Carborundum Fireclay Graphite Chromite Carborundum ANSWER DOWNLOAD EXAMIANS APP
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