Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Decreases with rise in service temperature Increases with rise in service temperature Decreases with increase in porosity Is unaffected with change in service temperature Decreases with rise in service temperature Increases with rise in service temperature Decreases with increase in porosity Is unaffected with change in service temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Neither A nor B High thermal conductivity Both A & B Low porosity Neither A nor B High thermal conductivity Both A & B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the All of these Presence of impurities like iron & alkali Physical structure Chemical composition All of these Presence of impurities like iron & alkali Physical structure Chemical composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Fireclay Chromite Graphite Carborundum Fireclay Chromite Graphite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Fusion point Thermal conductivity Slag penetration resistance Spalling resistance Fusion point Thermal conductivity Slag penetration resistance Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS