Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1630-1670 1520-1630 > 1730 > 2000 1630-1670 1520-1630 > 1730 > 2000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Fireclay Silica Very low alumina Dolomite Fireclay Silica Very low alumina Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Mullite Corrundum Bauxite Dolomite Mullite Corrundum Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Reduced by the addition of acid oxides Increased by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C Reduced by the addition of acid oxides Increased by the addition of acid oxides Not affected by the addition of acid oxides Always less than 1000°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica 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 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 ANSWER DOWNLOAD EXAMIANS APP
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