Refractory Technology Refractory bricks with lower permeability is produced by using All of these Finer grog size Higher firing temperature Higher moulding pressure All of these Finer grog size Higher firing temperature Higher moulding pressure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Used in space vehicles, missiles & nuclear energy plants All of these Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants All of these Composite material containing both ceramic & metallic constituents Having high strength & resistance to high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Ceramic recuperators Muffle furnace All of these Zinc smelting furnace Ceramic recuperators Muffle furnace All of these Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Not required to resist the corrosive action of basic slag Both (b) and © Used for raising & maintaining high temperature Not subjected to fluctuation in temperature Not required to resist the corrosive action of basic slag Both (b) and © Used for raising & maintaining high temperature Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesia Graphite Magnesite chrome Silica Magnesia Graphite Magnesite chrome Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Have lower thermal conductivity than fireclay bricks All of these Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature Have lower thermal conductivity than fireclay bricks All of these Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
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