Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Coke ovens Muffle furnaces Regenerators Insulation Coke ovens Muffle furnaces Regenerators Insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Repairing construction of various furnace parts Obtaining monolithic working faces Both A & B Neither A nor B Repairing construction of various furnace parts Obtaining monolithic working faces Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its High crushing strength None of these High thermal conductivity Non-wetting characteristic High crushing strength None of these High thermal conductivity Non-wetting characteristic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 100 500 10 1000 100 500 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1600-1800 800-1000 2400-2600 1000-1200 1600-1800 800-1000 2400-2600 1000-1200 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Fireclay Tar dolomite Silica Carbon Fireclay Tar dolomite Silica Carbon ANSWER DOWNLOAD EXAMIANS APP
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