Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Silica Corundum Fireclay Magnesite Silica Corundum Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature Higher moulding pressure All of these Finer grog size Higher firing temperature Higher moulding pressure All of these Finer grog size ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is None of these Light buff to reddish buff Black Yellow None of these Light buff to reddish buff Black Yellow 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 Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 70 770 270 570 70 770 270 570 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Ovens & retorts Orton cones Segar cones Pressure vessels Ovens & retorts Orton cones Segar cones Pressure vessels ANSWER DOWNLOAD EXAMIANS APP
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