Refractory Technology 'Super refractories' are made from pure Oxides Nitrides Borides Carbides Oxides Nitrides Borides Carbides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Beehive coke ovens Open hearth furnace roof Dome and upper portion of B.F. stoves Coke oven walls Beehive coke ovens Open hearth furnace roof Dome and upper portion of B.F. stoves Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. High alumina Basic Neutral Insulating High alumina Basic Neutral Insulating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory None of these Mortars Cements Castables None of these Mortars Cements Castables ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to All of these Reduce its shrinkage on heating Enhance the strength of fired refractories Impart greater spalling resistance All of these Reduce its shrinkage on heating Enhance the strength of fired refractories Impart greater spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using All of these Finer grog size Higher moulding pressure Higher firing temperature All of these Finer grog size Higher moulding pressure Higher firing temperature ANSWER DOWNLOAD EXAMIANS APP
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