Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Decreases Remains same Increases May increase or decrease Decreases Remains same Increases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Corrundum Bauxite Carborundum Periclase Corrundum Bauxite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 15 30 10 20 15 30 10 20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 35-40 55-60 80-85 >94 35-40 55-60 80-85 >94 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Very low alumina Fireclay Silica Dolomite Very low alumina Fireclay Silica Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 35-50 43961 44129 25-35 35-50 43961 44129 25-35 ANSWER DOWNLOAD EXAMIANS APP
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