Refractory Technology Silicon carbide refractories are used in the Muffle furnace Zinc smelting furnace All of these Ceramic recuperators Muffle furnace Zinc smelting furnace All of these Ceramic recuperators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 45 95 60 80 45 95 60 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Oxidising Either A or B Neutral Neither A nor B Oxidising Either A or B Neutral Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories Have extremely low thermal & electrical conductivities Are not attacked by slags, as they are not wetted by melts Do not resist temperature fluctuations Do not burn/oxidise, when exposed to air on heating Have extremely low thermal & electrical conductivities Are not attacked by slags, as they are not wetted by melts Do not resist temperature fluctuations Do not burn/oxidise, when exposed to air on heating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Corrundum Mullite Dolomite Bauxite Corrundum Mullite Dolomite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Silicon carbide None of these Zirconia Magnesia Silicon carbide None of these Zirconia ANSWER DOWNLOAD EXAMIANS APP
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