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