Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Silica Fireclay Zirconia Chrome magnesite Silica Fireclay Zirconia Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 2-3 5-7 7-12 14-20 2-3 5-7 7-12 14-20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 3.5 2 1 0.5 3.5 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Recuperators Muffle furnace Coke oven regenarators Blast furnace Recuperators Muffle furnace Coke oven regenarators Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Is produced from baddeleyite Does not react with basic slags Can not be used as an insulator Has poor electrical conductivity at high temperature Is produced from baddeleyite Does not react with basic slags Can not be used as an insulator Has poor electrical conductivity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Slip casting Hand moulding Pressing/machine moulding Extrusion Slip casting Hand moulding Pressing/machine moulding Extrusion ANSWER DOWNLOAD EXAMIANS APP
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