Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2700 2200 1800 2400 2700 2200 1800 2400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Both B and C Refractoriness Thermal conductivity Wetting characteristics Both B and C Refractoriness Thermal conductivity Wetting characteristics ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Beehive coke oven Coke oven regenerators By-product coke oven walls Combustion chamber of B.F. stoves Beehive coke oven Coke oven regenerators By-product coke oven walls Combustion chamber of B.F. stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Bauxite Corrundum Carborundum Periclase Bauxite Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 5 to 10 20 to 30 60 to 75 45 to 60 5 to 10 20 to 30 60 to 75 45 to 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Open hearth furnace roof Coke oven walls Beehive coke ovens Dome and upper portion of B.F. stoves Open hearth furnace roof Coke oven walls Beehive coke ovens Dome and upper portion of B.F. stoves ANSWER DOWNLOAD EXAMIANS APP
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