Refractory Technology Which of the following is not a high alumina refractory material? Kyanite Diaspore Sillimanite Periclase Kyanite Diaspore Sillimanite Periclase ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Chemical composition All of these Physical structure Presence of impurities like iron & alkali Chemical composition All of these Physical structure Presence of impurities like iron & alkali ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is ZrSO₄ Crystalline form of MgO MgCO₃ Amorphous magnesite ZrSO₄ Crystalline form of MgO MgCO₃ Amorphous magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Modulus of rupture RUL Permanent linear change Resistance to CO attack Modulus of rupture RUL Permanent linear change Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? High alumina bricks Tar dolomite bricks Fireclay bricks Silica bricks High alumina bricks Tar dolomite bricks Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Open hearth furnace roof Coke oven walls Dome and upper portion of B.F. stoves Beehive coke ovens Open hearth furnace roof Coke oven walls Dome and upper portion of B.F. stoves Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP