Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 500-1000 50-100 100-150 200-400 500-1000 50-100 100-150 200-400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its None of these Fusion point RUL Specific gravity None of these Fusion point RUL Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the None of these Increased thermal conductivity of brick Decreased viscosity of slag Oxidising condition in the furnace None of these Increased thermal conductivity of brick Decreased viscosity of slag Oxidising condition in the furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Thermal conductivity Fusion point Spalling resistance Slag penetration resistance Thermal conductivity Fusion point Spalling resistance Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Dolomite Magnesite Silica Fireclay Dolomite Magnesite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
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