Refractory Technology Carbon refractories have very high Both B and C Thermal conductivity Wetting characteristics Refractoriness Both B and C Thermal conductivity Wetting characteristics Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature 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. 1630 1730 1670 1520 1630 1730 1670 1520 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Has poor electrical conductivity at high temperature Can not be used as an insulator Is produced from baddeleyite Does not react with basic slags Has poor electrical conductivity at high temperature Can not be used as an insulator Is produced from baddeleyite Does not react with basic slags ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Magnesia Zirconia Alumina Thoria Magnesia Zirconia Alumina Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. > 2000 > 1730 1520-1630 1630-1670 > 2000 > 1730 1520-1630 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
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