Refractory Technology Fireclay refractories All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing Are not resistant to the action of basic slags All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing Are not resistant to the action of basic slags ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks Used in the roof of the furnace None of these At the hearth bottom of the furnace on which stock is placed Used for furnace insulation Used in the roof of the furnace None of these At the hearth bottom of the furnace on which stock is placed Used for furnace insulation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? All of these High strength and density High refractoriness High resistance to spalling All of these High strength and density High refractoriness High resistance to spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Neither A nor B Obtaining monolithic working faces Both A & B Repairing construction of various furnace parts Neither A nor B Obtaining monolithic working faces Both A & B Repairing construction of various furnace parts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Magnesite Fireclay Foresterite Chromite Magnesite Fireclay Foresterite Chromite ANSWER DOWNLOAD EXAMIANS APP
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