Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 2 0.5 1 3.5 2 0.5 1 3.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Tridymite Quartz All of these Cristobalite Tridymite Quartz All of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 20 to 30 5 to 10 60 to 75 45 to 60 20 to 30 5 to 10 60 to 75 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 60 45 80 95 60 45 80 95 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Siliceous fireclay Corrundum Fireclay Silicon carbide Siliceous fireclay Corrundum Fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Beryllia Alumina Thoria Zirconia Beryllia Alumina Thoria Zirconia ANSWER DOWNLOAD EXAMIANS APP
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