Refractory Technology Spalling tendency of refractories is reduced by increasing its Strength Thermal conductivity Porosity Specific gravity Strength Thermal conductivity Porosity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Neither A nor B Neutral Either A or B Oxidising Neither A nor B Neutral Either A or B Oxidising ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO 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
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Magnesite Fireclay Silica Dolomite Magnesite Fireclay Silica Dolomite 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. 570 70 770 270 570 70 770 270 ANSWER DOWNLOAD EXAMIANS APP
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