Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Thoria Beryllia Zirconia Alumina Thoria Beryllia Zirconia Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Muffle furnace Recuperators Blast furnace Coke oven regenarators Muffle furnace Recuperators Blast furnace Coke oven regenarators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the By-product coke ovens Roof of open hearth furnace Dome of blast furnace stoves Beehive coke ovens By-product coke ovens Roof of open hearth furnace Dome of blast furnace stoves Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 55 90 70 80 55 90 70 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Chromite Graphite Magnesite Silicon carbide Chromite Graphite Magnesite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 5-7 2-3 7-12 14-20 5-7 2-3 7-12 14-20 ANSWER DOWNLOAD EXAMIANS APP
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