Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Zirconia Magnesia Thoria Alumina Zirconia Magnesia Thoria Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Oxidising condition in the furnace Increased thermal conductivity of brick Decreased viscosity of slag None of these Oxidising condition in the furnace Increased thermal conductivity of brick Decreased viscosity of slag None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 80 and 20 50 and 50 20 and 80 60 and 40 80 and 20 50 and 50 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The highest melting pure oxide (m.p. > 3000°C) is Alumina Beryllia Thoria Zirconia Alumina Beryllia Thoria Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 70 90 30 50 70 90 30 50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High refractoriness All of these High strength and density High resistance to spalling High refractoriness All of these High strength and density High resistance to spalling ANSWER DOWNLOAD EXAMIANS APP
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