Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Silica Magnesite Fireclay Carborundum Silica Magnesite Fireclay Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Alumina Thoria Zirconia Magnesia Alumina Thoria Zirconia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Sun Tunnel kilns None of these Rotary kilns Sun Tunnel kilns None of these Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Lowduty fireclay Silica Silicon carbide Chrome or magnesite Lowduty fireclay Silica Silicon carbide Chrome or magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Slag penetration resistance Refractoriness under load (RUL) Spalling resistance Fusion point Slag penetration resistance Refractoriness under load (RUL) Spalling resistance Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its High thermal conductivity High crushing strength Non-wetting characteristic None of these High thermal conductivity High crushing strength Non-wetting characteristic None of these ANSWER DOWNLOAD EXAMIANS APP
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