Refractory Technology Which is not a basic refractory? Magnesite Silicon carbide Chrome magnesite Dolomite Magnesite Silicon carbide Chrome magnesite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its High co-efficient of expansion upto this temperature High thermal diffusivity Low refractoriness Very high thermal conductivity High co-efficient of expansion upto this temperature High thermal diffusivity Low refractoriness Very high thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 65 150 450 250 65 150 450 250 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories May increase or decrease Decreases Increases Remains same May increase or decrease Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the 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 Coke oven regenerator Burning zone of limestone rotary kilns ANSWER DOWNLOAD EXAMIANS APP
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