Refractory Technology Grog Contains both alumina and silica Is a non-plastic material Iscrushed firebrick All of these Contains both alumina and silica Is a non-plastic material Iscrushed firebrick All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Volume Both A & B Neither A nor B Specific gravity Volume Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Silica Fireclay Chrome magnesite None of these Silica Fireclay Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Better spalling resistance Neither A nor B Less fusion point Both A & B Better spalling resistance Neither A nor B Less fusion point 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. 1730 1520 1670 1630 1730 1520 1670 1630 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. > 1730 1520-1630 1630-1670 > 2000 > 1730 1520-1630 1630-1670 > 2000 ANSWER DOWNLOAD EXAMIANS APP
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