Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © Not required to resist the corrosive action of basic slag Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Both (b) and © ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Dome and upper portion of B.F. stoves Open hearth furnace roof Beehive coke ovens Coke oven walls Dome and upper portion of B.F. stoves Open hearth furnace roof Beehive coke ovens Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Coke ovens Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Insulating refractories should have Neither A nor B High porosity Low thermal conductivity Both A & B Neither A nor B High porosity Low thermal conductivity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Spalling resistance Slag penetration resistance Fusion point Thermal conductivity Spalling resistance Slag penetration resistance Fusion point Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 80 45 60 95 80 45 60 95 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS