Refractory Technology Carbon refractories have very high Thermal conductivity Both B and C Wetting characteristics Refractoriness Thermal conductivity Both B and C Wetting characteristics Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. None of these Superduty fireclay Chromite Silica None of these Superduty fireclay Chromite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Greater strength Low thermal conductivity High insulating properties Low heat capacity Greater strength Low thermal conductivity High insulating properties Low heat capacity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where Highly reducing conditions are involved Very high temperatures are involved Presence of iron or silica is harmful All of these Highly reducing conditions are involved Very high temperatures are involved Presence of iron or silica is harmful All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Silica Carborundum Fireclay Magnesite Silica Carborundum Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS