Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Corrundum Carborundum Bauxite Periclase Corrundum Carborundum Bauxite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow Light buff to reddish buff None of these Black Yellow Light buff to reddish buff None of these Black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks All of these Are stored under controlled temperature & humidity to avoid hydration Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks All of these Are stored under controlled temperature & humidity to avoid hydration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Firebricks Silica bricks Silicon carbide bricks Sillimanite Firebricks Silica bricks Silicon carbide bricks Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Spalling rate Fusion point Shrinkage ability None of these Spalling rate Fusion point Shrinkage ability None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Transformers Thermal insulation Television sets Magnetic switches Transformers Thermal insulation Television sets Magnetic switches ANSWER DOWNLOAD EXAMIANS APP