Refractory Technology Which is the most stable crystalline form of silica at room temperature? Tridymite Cristobalite Quartz None of these Tridymite Cristobalite Quartz None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Fusion point Slag penetration resistance Spalling resistance Refractoriness under load (RUL) Fusion point Slag penetration resistance Spalling resistance Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Basic Bessemer converter All of these Electric furnaces Basic open hearth furnace Basic Bessemer converter All of these Electric furnaces Basic open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the Inner lining of L.D. converter Wear out lining of steel melting furnaces All of these Aluminium melting furnaces Inner lining of L.D. converter Wear out lining of steel melting furnaces All of these Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Both A & B High thermal conductivity Neither A nor B Low porosity Both A & B High thermal conductivity Neither A nor B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture? Chemically prepared foam Cork Saw dust Sand Chemically prepared foam Cork Saw dust Sand ANSWER DOWNLOAD EXAMIANS APP
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