Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Magnesite Silica Dolomite Fireclay Magnesite Silica Dolomite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Density Thermal conductivity None of these Specific heat Density Thermal conductivity None of these Specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Burning zone of limestone rotary kilns 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 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Corundum Magnesite Fireclay Silica Corundum Magnesite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Magnesite Graphite Silicon carbide Chromite Magnesite Graphite Silicon carbide Chromite ANSWER DOWNLOAD EXAMIANS APP
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