Refractory Technology Refractories are dried in the Tunnel kilns Rotary kilns Sun None of these Tunnel kilns Rotary kilns Sun None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Increased by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C Not affected by the addition of acid oxides Increased by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C Not affected by the addition of acid oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Higher firing temperature All of these Finer grog size Higher moulding pressure Higher firing temperature All of these Finer grog size Higher moulding pressure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Both A & B High thermal conductivity Low porosity Neither A nor B Both A & B High thermal conductivity Low porosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Fusion point Thermal conductivity Slag penetration resistance Spalling resistance Fusion point Thermal conductivity Slag penetration resistance Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? High alumina bricks Fireclay bricks Silica bricks Tar dolomite bricks High alumina bricks Fireclay bricks Silica bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
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