Refractory Technology Fireclay bricks is not used for lining the Cupola Gas producer Roof of open hearth furnace Bottom of hot metal mixer Cupola Gas producer Roof of open hearth furnace Bottom of hot metal mixer 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 1600 1000 2000 700 1600 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a High spalling resistance Low porosity Low spalling resistance High resistance to fusion High spalling resistance Low porosity Low spalling resistance High resistance to fusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory None of these Castables Mortars Cements None of these Castables Mortars Cements ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace All of these Ceramic recuperators Muffle furnace Zinc smelting furnace All of these Ceramic recuperators Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Decreased viscosity of slag None of these Increased thermal conductivity of brick Oxidising condition in the furnace Decreased viscosity of slag None of these Increased thermal conductivity of brick Oxidising condition in the furnace ANSWER DOWNLOAD EXAMIANS APP
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