Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Plaster of paris Lime Aluminium phosphate Water Plaster of paris Lime Aluminium phosphate Water ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Carbon 85% alumina Fireclay Corundum Carbon 85% alumina Fireclay Corundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 800-1000 1600-1800 2400-2600 1000-1200 800-1000 1600-1800 2400-2600 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Lime Basic None of these Acid Lime Basic None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Silicon carbide Thoria High alumina Fireclay Silicon carbide Thoria High alumina Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. None of these Strength Thermal conductivity Spalling resistance None of these Strength Thermal conductivity Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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