Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Carbon Corundum Fireclay 85% alumina Carbon Corundum Fireclay 85% alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Reduced by the addition of acid oxides Increased by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C Reduced by the addition of acid oxides Increased by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Alumina Zirconia Silicon carbide Graphite Alumina Zirconia Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Highly chemical resistant equipments Blast furnace hearth Electric furnaces Combustion chamber of blast furnace stoves Highly chemical resistant equipments Blast furnace hearth Electric furnaces Combustion chamber of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Both B and C Attack by basic slag Disintegration on sudden change of temperature Abrasion Both B and C Attack by basic slag Disintegration on sudden change of temperature Abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Lime Plaster of paris Aluminium phosphate Water Lime Plaster of paris Aluminium phosphate Water ANSWER DOWNLOAD EXAMIANS APP
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