Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Increases Decreases May increase or decrease ; depends on its alumina content Remains constant Increases Decreases May increase or decrease ; depends on its alumina content Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Siliceous fireclay Silicon carbide Fireclay Corrundum Siliceous fireclay Silicon carbide Fireclay Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Fireclay Silica None of these Chrome magnesite Fireclay Silica None of these Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Spalling resistance Thermal conductivity None of these Strength Spalling resistance Thermal conductivity None of these Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 80 and 20 20 and 80 50 and 50 60 and 40 80 and 20 20 and 80 50 and 50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Very low alumina Fireclay Dolomite Silica Very low alumina Fireclay Dolomite Silica ANSWER DOWNLOAD EXAMIANS APP
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