Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Neutral Either A or B Neither A nor B Oxidising Neutral Either A or B Neither A nor B Oxidising ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Increases May increase or decrease ; depends on its alumina content Decreases Remains constant Increases May increase or decrease ; depends on its alumina content Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Non-wetting characteristics High density Low porosity High thermal conductivity Non-wetting characteristics High density Low porosity High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion point of a basic refractory material is Increased by the addition of acid oxides Not affected by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C Increased by the addition of acid oxides Not affected by the addition of acid oxides Reduced by the addition of acid oxides Always less than 1000°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Soaking pit L.D. converter Blastfurnace Coke ovens Soaking pit L.D. converter Blastfurnace Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Pressure vessels Segar cones Ovens & retorts Orton cones Pressure vessels Segar cones Ovens & retorts Orton cones ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS