Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 8 44 58 24 8 44 58 24 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 800-1000 1600-1800 2400-2600 1000-1200 800-1000 1600-1800 2400-2600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Spalling resistance Resistance to slag penetration Fusion point Resistance to carbon monoxide attack Spalling resistance Resistance to slag penetration Fusion point Resistance to carbon monoxide attack 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 Aluminium phosphate Water Plaster of paris Lime Aluminium phosphate Water Plaster of paris ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Carborundum Fireclay Silica Magnesite Carborundum Fireclay Silica Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Softening Resistancce to compressive loads Fracture due to uneven expansion at high temperature Resistance to chemical action of gases and molten fluxes Softening Resistancce to compressive loads Fracture due to uneven expansion at high temperature Resistance to chemical action of gases and molten fluxes ANSWER DOWNLOAD EXAMIANS APP
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