Refractory Technology An ideal refractory should have high Spalling rate None of these Shrinkage ability Fusion point Spalling rate None of these Shrinkage ability Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1300 1550 1450 1150 1300 1550 1450 1150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot face insulating linings of high purity alumina fused mullite are used, where All of these Presence of iron or silica is harmful Highly reducing conditions are involved Very high temperatures are involved All of these Presence of iron or silica is harmful Highly reducing conditions are involved Very high temperatures are involved ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Sillimanite Diaspore Periclase Kyanite Sillimanite Diaspore Periclase Kyanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 1800 2700 2200 2400 1800 2700 2200 2400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Composition Texture All of these Firing temperature Composition Texture All of these Firing temperature ANSWER DOWNLOAD EXAMIANS APP