Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High resistance to spalling High refractoriness High strength and density All of these High resistance to spalling High refractoriness High strength and density All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance Poor heat conductivity & low strength All of these Poor resistance to the peneration of molten slag, metal & flue gases Better thermal spalling resistance Poor heat conductivity & low strength All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants Composite material containing both ceramic & metallic constituents All of these Having high strength & resistance to high temperature Used in space vehicles, missiles & nuclear energy plants ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Sillimanite Magnesite Aluminous firebrick Firebrick Sillimanite Magnesite Aluminous firebrick Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1520 1670 1730 1630 1520 1670 1730 1630 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Wetting characteristics Thermal conductivity Both B and C Refractoriness Wetting characteristics Thermal conductivity Both B and C Refractoriness ANSWER DOWNLOAD EXAMIANS APP
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