Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Thoria High alumina Fireclay Silicon carbide Thoria High alumina Fireclay Silicon carbide 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 Presence of MgO in alumino-silicate refractories __________ its refractoriness. Increases Lowers Does not affect Either A or B; depends on its quantity Increases Lowers Does not affect Either A or B; depends on its quantity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Silica bricks High alumina bricks Graphite blocks Low duty firebricks Silica bricks High alumina bricks Graphite blocks Low duty firebricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Rod Tube Ball Pug Rod Tube ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 100-150 200-400 500-1000 50-100 100-150 200-400 500-1000 50-100 ANSWER DOWNLOAD EXAMIANS APP
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