Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory None of these Cements Castables Mortars None of these Cements Castables Mortars ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1450 1300 1550 1150 1450 1300 1550 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Cristobalite None of these Tridymite Quartz Cristobalite None of these Tridymite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Exhibit high shrinkage on thermal treatment Exihibit wetting characteristics Are not resistant to corrosion by slag Should be used in neutral or reducing atmosphere Exhibit high shrinkage on thermal treatment Exihibit wetting characteristics Are not resistant to corrosion by slag Should be used in neutral or reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Magnetic switches Thermal insulation Transformers Television sets Magnetic switches Thermal insulation Transformers Television sets ANSWER DOWNLOAD EXAMIANS APP
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