Refractory Technology Segar cones are used for the determination of __________ of refractories. Electrical conductivity Resistance to slag attack Softening temperature Spalling resistance Electrical conductivity Resistance to slag attack Softening temperature Spalling resistance 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 Siliceous fireclay Corrundum Fireclay Silicon carbide Siliceous fireclay Corrundum Fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Magnesite Sillimanite Firebrick Aluminous firebrick Magnesite Sillimanite Firebrick Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture? Saw dust Chemically prepared foam Sand Cork Saw dust Chemically prepared foam Sand Cork ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Fusion point Resistance to carbon monoxide attack Resistance to slag penetration Spalling resistance Fusion point Resistance to carbon monoxide attack Resistance to slag penetration Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its All of these Composition Texture Firing temperature All of these Composition Texture Firing temperature ANSWER DOWNLOAD EXAMIANS APP
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