Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Magnesite Fireclay Silica Zirconia Magnesite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Dolomite Fireclay Magnesite Silica Dolomite Fireclay Magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Patch work Minimising the number of joints in the structure All of these Producing monolithic linings Patch work Minimising the number of joints in the structure All of these Producing monolithic linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B Corrosion by layer of slag Washing action of metal Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity ANSWER DOWNLOAD EXAMIANS APP
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