Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. Silica Superduty fireclay High alumina Carborundum Silica Superduty fireclay High alumina Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the All of these Inner lining of L.D. converter Wear out lining of steel melting furnaces Aluminium melting furnaces All of these Inner lining of L.D. converter Wear out lining of steel melting furnaces Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its None of these RUL Fusion point Specific gravity None of these RUL Fusion point Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Slag penetration resistance Thermal conductivity Fusion point Spalling resistance Slag penetration resistance Thermal conductivity Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Strength Thermal conductivity None of these Spalling resistance Strength Thermal conductivity None of these Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Impart greater spalling resistance Reduce its shrinkage on heating All of these Enhance the strength of fired refractories Impart greater spalling resistance Reduce its shrinkage on heating All of these Enhance the strength of fired refractories ANSWER DOWNLOAD EXAMIANS APP