Refractory Technology Dolomite bricks have good resistance to attack by Iron oxide Lime slag Molten steel None of these Iron oxide Lime slag Molten steel None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator 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
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Siliceous fireclay Silicon carbide Fireclay Corrundum Siliceous fireclay Silicon carbide Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Strength Spalling resistance None of these Thermal conductivity Strength Spalling resistance None of these Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be Neutral Neither A nor B Oxidising Either A or B Neutral Neither A nor B Oxidising Either A or B ANSWER DOWNLOAD EXAMIANS APP
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