Refractory Technology An ideal refractory should have high Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these 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? Aluminium phosphate Plaster of paris Lime Water Aluminium phosphate Plaster of paris Lime Water ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Bottom hearth of reheating furnace Coke oven regenerator Hearth of soaking pits Burning zone of limestone rotary kilns Bottom hearth of reheating furnace Coke oven regenerator Hearth of soaking pits Burning zone of limestone rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to abrasion Resistance to corrosion by slag Resistance to slag peneration Stability of volume at high temperature Resistance to abrasion Resistance to corrosion by slag Resistance to slag peneration Stability of volume at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Porosity Strength Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity 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 Oxidising Either A or B Neutral Neither A nor B Oxidising Either A or B Neutral ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS