Refractory Technology Carbon refractories have very high Refractoriness Wetting characteristics Both B and C Thermal conductivity Refractoriness Wetting characteristics Both B and C Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Fireclay Silica Carbon black High alumina refractory Fireclay Silica Carbon black High alumina refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog All of these Iscrushed firebrick Is a non-plastic material Contains both alumina and silica All of these Iscrushed firebrick Is a non-plastic material Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome refractories Have better spalling resistance than chrome magnesite refractories Have very low thermal co-efficient of expansion Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form Are not at all resistant to the corrosive action of iron oxide Have better spalling resistance than chrome magnesite refractories Have very low thermal co-efficient of expansion Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form Are not at all resistant to the corrosive action of iron oxide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Expansion during heating Melting point Rate at which a fluid will pass through the pores Refractoriness Expansion during heating Melting point Rate at which a fluid will pass through the pores ANSWER DOWNLOAD EXAMIANS APP
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