Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Silica bricks High alumina bricks Fireclay bricks Tar dolomite bricks Silica bricks High alumina bricks Fireclay bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Composition Shape Texture Firing temperature Composition Shape Texture Firing temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 43961 44129 25-35 35-50 43961 44129 25-35 35-50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Both B and C Disintegration on sudden change of temperature Attack by basic slag Abrasion Both B and C Disintegration on sudden change of temperature Attack by basic slag Abrasion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Poor thermal spalling resistance Tendency to expand unduly high during firing Very high cost Low co-efficient of thermal expansion Poor thermal spalling resistance Tendency to expand unduly high during firing Very high cost Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 30 70 50 90 30 70 50 ANSWER DOWNLOAD EXAMIANS APP
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