Refractory Technology silicon carbide refractories have very low Resistance to thermal shock Refractoriness (< 1700°C) None of these Thermal conductivity Resistance to thermal shock Refractoriness (< 1700°C) None of these Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Insulation Regenerators Coke ovens Muffle furnaces Insulation Regenerators Coke ovens Muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Neither A nor B Both A & B Washing action of metal Corrosion by layer of slag Neither A nor B Both A & B Washing action of metal Corrosion by layer of slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Slag attack CO attack Fusion under load Thermal spalling Slag attack CO attack Fusion under load Thermal spalling 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. 1520 1630 1670 1730 1520 1630 1670 1730 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Castables None of these Mortars Cements Castables None of these Mortars ANSWER DOWNLOAD EXAMIANS APP
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