Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Magnesite bricks Mullite bricks Fireclay bricks Tar bonded dolomite bricks Magnesite bricks Mullite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
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 Thermal spalling mainly occurs during __________ of furnaces. Cooling down Neither A nor B Both A & B Warming up Cooling down Neither A nor B Both A & B Warming up ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bottom of basic open hearth furnace are constructed of Dead burnt magnesite ramming mass Porous fireclay bricks Semi-silica bricks Silicon carbide bricks Dead burnt magnesite ramming mass Porous fireclay bricks Semi-silica bricks Silicon carbide bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Bauxite Corrundum Carborundum Periclase Bauxite Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
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