Refractory Technology 'Super refractories' are made from pure Nitrides Carbides Oxides Borides Nitrides Carbides Oxides Borides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower part of hot metal mixer are lined with __________ bricks. High alumina Carborundum Superduty fireclay Silica High alumina Carborundum Superduty fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Vitrification Removal of water of hydration Decrease in crushing strength Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength Development of stable mineral form 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 Which is the stable form of silica upto 1470°C ? Tridymite None of these Cristobalite Quartz Tridymite None of these Cristobalite Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Tube Rod Ball Pug Tube Rod Ball Pug ANSWER DOWNLOAD EXAMIANS APP
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