Refractory Technology Silica refractories are not used in Beehive coke ovens Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof Beehive coke ovens Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly MgO CaO Al2O₃ SiO₂ MgO CaO Al2O₃ SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Fireclay Siliceous fireclay Corrundum Silicon carbide Fireclay Siliceous fireclay Corrundum Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Ovens & retorts Pressure vessels Orton cones Segar cones Ovens & retorts Pressure vessels Orton cones Segar cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Mullite bricks Magnesite bricks Fireclay bricks Tar bonded dolomite bricks Mullite bricks Magnesite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Neither A nor B Both A & B Less fusion point Better spalling resistance Neither A nor B Both A & B Less fusion point Better spalling resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS