Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Lime None of these Acid Basic Lime None of these Acid Basic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Strength Porosity Specific gravity Thermal conductivity Strength Porosity Specific gravity Thermal conductivity 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 2200 2400 2700 1800 2200 2400 2700 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High spalling resistance Low porosity High resistance to fusion Low spalling resistance High spalling resistance Low porosity High resistance to fusion Low spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Fireclay Chromite Magnesite Foresterite Fireclay Chromite Magnesite Foresterite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 700 1000 1600 2000 700 1000 1600 2000 ANSWER DOWNLOAD EXAMIANS APP
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