Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. High alumina Fireclay Silicon carbide Thoria High alumina Fireclay Silicon carbide Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Blast furnace Coke oven regenarators Recuperators Muffle furnace Blast furnace Coke oven regenarators Recuperators Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Specific heat None of these Thermal conductivity Density Specific heat None of these Thermal conductivity Density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Both A & B Neither A nor B Washing action of metal Corrosion by layer of slag Both A & B Neither A nor B Washing action of metal ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 50 and 50 80 and 20 60 and 40 20 and 80 50 and 50 80 and 20 60 and 40 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
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