Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Thoria Magnesia Zirconia Alumina Thoria Magnesia Zirconia Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor heat conductivity & low strength Better thermal spalling resistance Poor resistance to the peneration of molten slag, metal & flue gases All of these Poor heat conductivity & low strength Better thermal spalling resistance Poor resistance to the peneration of molten slag, metal & flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Recuperators Blast furnace Muffle furnace Coke oven regenarators Recuperators Blast furnace Muffle furnace Coke oven regenarators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Silica Chromite None of these Superduty fireclay Silica Chromite None of these Superduty fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Shrinkage ability Spalling rate Fusion point None of these Shrinkage ability Spalling rate Fusion point None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Regenerators Insulation Muffle furnaces Coke ovens Regenerators Insulation Muffle furnaces Coke ovens ANSWER DOWNLOAD EXAMIANS APP
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