Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Silicon carbide Fireclay Thoria High alumina Silicon carbide Fireclay Thoria High 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 Recuperators Coke oven regenarators Muffle furnace Blast furnace Recuperators Coke oven regenarators Muffle furnace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Density Thermal conductivity None of these Specific heat Density Thermal conductivity None of these Specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Washing action of metal Both A & B Corrosion by layer of slag Neither A nor B Washing action of metal Both A & B Corrosion by layer of slag Neither A nor B 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. 80 and 20 50 and 50 60 and 40 20 and 80 80 and 20 50 and 50 60 and 40 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
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