Refractory Technology Which one expands on heating? Both A & B Fireclay bricks Silica bricks Neither A nor B Both A & B Fireclay bricks Silica bricks Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere Reducing atmosphere Oxidising atmosphere Electric furnace Neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Beehive coke ovens Roof of open hearth furnace By-product coke ovens Dome of blast furnace stoves Beehive coke ovens Roof of open hearth furnace By-product coke ovens Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Corundum Carborundum Beryllia Thoria Corundum Carborundum Beryllia Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Oxidising Either A or B Neutral Neither A nor B Oxidising Either A or B Neutral Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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