Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Fireclay Magnesite Silica Dolomite Fireclay Magnesite Silica Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology silicon carbide refractories have very low Thermal conductivity Resistance to thermal shock None of these Refractoriness (< 1700°C) Thermal conductivity Resistance to thermal shock None of these Refractoriness (< 1700°C) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 1600-1800 800-1000 2400-2600 1000-1200 1600-1800 800-1000 2400-2600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 24 58 44 8 24 58 44 8 ANSWER DOWNLOAD EXAMIANS APP
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