Refractory Technology To resist spalling tendency, a refractory should have All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Both A & B Silica bricks Neither A nor B Fireclay bricks Both A & B Silica bricks Neither A nor B Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Vermiculite None of these Diatomaceous earth/kieselgur Asbestos Vermiculite None of these Diatomaceous earth/kieselgur Asbestos ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 30 15 10 20 30 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Insulation Regenerators Coke ovens Muffle furnaces Insulation Regenerators Coke ovens Muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? L.D. converter Rotary lime kiln Soaking pits Ceheating furnace L.D. converter Rotary lime kiln Soaking pits Ceheating furnace ANSWER DOWNLOAD EXAMIANS APP
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