Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity Porosity Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Tridymite None of these Quartz Cristobalite Tridymite None of these Quartz Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. None of these Zirconia Silicon carbide Magnesia None of these Zirconia Silicon carbide Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Transformers Magnetic switches Thermal insulation Television sets Transformers Magnetic switches Thermal insulation Television sets ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Vermiculite None of these Asbestos Diatomaceous earth/kieselgur Vermiculite None of these Asbestos Diatomaceous earth/kieselgur ANSWER DOWNLOAD EXAMIANS APP
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