Materials and Construction Coke oven regenerators are made of __________ bricks. Low thermal conductivity Silica High electrical conductivity Fire clay Low thermal conductivity Silica High electrical conductivity Fire clay ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials All of these Are exemplified by clay and mica Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons All of these Are exemplified by clay and mica Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the first & second Above the lowest Between the second & third Above the highest Between the first & second Above the lowest Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Rubber lined mild steel Aluminium Cast iron Lead lined mild steel Rubber lined mild steel Aluminium Cast iron Lead lined mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Increases its ductility Decreases its tensile strength Does not affect its ductility Decreases its ductility Increases its ductility Decreases its tensile strength Does not affect its ductility Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Constantan German silver Nichrome Tungsten Constantan German silver Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
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