Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Remains same May increase or decrease Decreases Increases Remains same May increase or decrease Decreases Increases 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. 50 and 50 20 and 80 80 and 20 60 and 40 50 and 50 20 and 80 80 and 20 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Glass melting furnace Pottery furnace Gas retorts Crucibles Glass melting furnace Pottery furnace Gas retorts Crucibles 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 Grog All of these Is a non-plastic material Contains both alumina and silica Iscrushed firebrick All of these Is a non-plastic material Contains both alumina and silica Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Permanent linear change Modulus of rupture Resistance to CO attack RUL Permanent linear change Modulus of rupture Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
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