Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silica bricks Silicon carbide bricks Sillimanite Firebricks Silica bricks Silicon carbide bricks Sillimanite Firebricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Roof of open hearth furnace Dome of blast furnace stoves Beehive coke ovens By-product coke ovens Roof of open hearth furnace Dome of blast furnace stoves Beehive coke ovens By-product coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Silica Chrome magnesite Fireclay None of these Silica Chrome magnesite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its Low refractoriness High co-efficient of expansion upto this temperature Very high thermal conductivity High thermal diffusivity Low refractoriness High co-efficient of expansion upto this temperature Very high thermal conductivity High thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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