Refractory Technology Which of the following is not a high alumina refractory material? Periclase Kyanite Sillimanite Diaspore Periclase Kyanite Sillimanite Diaspore ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Coke ovens Insulation Muffle furnaces Regenerators Coke ovens Insulation Muffle furnaces Regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2570 2800 1715 1350 2570 2800 1715 1350 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its Fusion point Specific gravity RUL None of these Fusion point Specific gravity RUL None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is MgCO₃ ZrSO₄ Crystalline form of MgO Amorphous magnesite MgCO₃ ZrSO₄ Crystalline form of MgO Amorphous magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Low thermal co-efficient of expansion All of these Greater diffusivity Low specific heat Low thermal co-efficient of expansion All of these Greater diffusivity Low specific heat ANSWER DOWNLOAD EXAMIANS APP
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