Refractory Technology Fireclay refractories have Very high cost Low co-efficient of thermal expansion Poor thermal spalling resistance Tendency to expand unduly high during firing Very high cost Low co-efficient of thermal expansion Poor thermal spalling resistance Tendency to expand unduly high during firing ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature Composite material containing both ceramic & metallic constituents Used in space vehicles, missiles & nuclear energy plants All of these Having high strength & resistance to high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Rotary kilns Tunnel kilns Sun None of these Rotary kilns Tunnel kilns Sun None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? All of these High strength and density High resistance to spalling High refractoriness All of these High strength and density High resistance to spalling High refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Magnesite Carborundum Fireclay Silica Magnesite Carborundum Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
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