Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Crucibles Gas retorts Glass melting furnace Pottery furnace Crucibles Gas retorts Glass melting furnace Pottery furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2570 1715 1350 2800 2570 1715 1350 2800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Modulus of rupture Permanent linear change Resistance to CO attack RUL Modulus of rupture Permanent linear change Resistance to CO attack RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Neutral Basic Insulating High alumina Neutral Basic Insulating High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Thoria Fireclay Silicon carbide High alumina Thoria Fireclay Silicon carbide High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
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