Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Decreases Increases Remains same May increase or decrease Decreases Increases Remains same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Tridymite Cristobalite Quartz None of these Tridymite Cristobalite Quartz None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Slag penetration resistance Fusion point Refractoriness under load (RUL) Spalling resistance Slag penetration resistance Fusion point Refractoriness under load (RUL) Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Light buff to reddish buff Black None of these Yellow Light buff to reddish buff Black None of these Yellow ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Zirconia Graphite Alumina Silicon carbide Zirconia Graphite Alumina Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Abrasion Both B and C Disintegration on sudden change of temperature Attack by basic slag Abrasion Both B and C Disintegration on sudden change of temperature Attack by basic slag ANSWER DOWNLOAD EXAMIANS APP
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