Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Specific heat Density None of these Thermal conductivity Specific heat Density None of these Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Firing temperature Texture Composition Shape Firing temperature Texture Composition Shape ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Plaster of paris Water Aluminium phosphate Lime Plaster of paris Water Aluminium phosphate Lime ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Magnesia Zirconia Silicon carbide None of these Magnesia Zirconia Silicon carbide None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1915 1380 1520 1710 1915 1380 1520 1710 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Disintegration on sudden change of temperature Both B and C Abrasion Attack by basic slag Disintegration on sudden change of temperature Both B and C Abrasion Attack by basic slag ANSWER DOWNLOAD EXAMIANS APP
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