Refractory Technology Porosity of fireclay refractories is __________ percent. 25-35 44129 35-50 43961 25-35 44129 35-50 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces Wear out lining of steel melting furnaces All of these Inner lining of L.D. converter Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Remains same Increases Decreases May increase or decrease Remains same Increases Decreases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Thermal spalling CO attack Slag attack Fusion under load Thermal spalling CO attack Slag attack Fusion under load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spray test determines the __________ of refractories. RUL Resistance to CO attack Permanent linear change Resistance to slag penetration RUL Resistance to CO attack Permanent linear change Resistance to slag penetration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the All of these Soaking pits Reheating furnaces Roof lining of basic open hearth & other basic furnaces All of these Soaking pits Reheating furnaces Roof lining of basic open hearth & other basic furnaces ANSWER DOWNLOAD EXAMIANS APP
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