Refractory Technology Chrome magnesite brick is not used for lining the Coke oven regenerator Burning zone of limestone rotary kilns Bottom hearth of reheating furnace Hearth of soaking pits Coke oven regenerator Burning zone of limestone rotary kilns Bottom hearth of reheating furnace Hearth of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Tunnel kilns Rotary kilns Sun None of these Tunnel kilns Rotary kilns Sun None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1670 1630 1520 1730 1670 1630 1520 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 8 24 44 58 8 24 44 58 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 500-1000 100-150 200-400 50-100 500-1000 100-150 200-400 50-100 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Resistance to slag Spalling resistance Refractoriness Crushing strength Resistance to slag Spalling resistance Refractoriness Crushing strength ANSWER DOWNLOAD EXAMIANS APP
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