Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Spalling resistance Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance Resistance to slag penetration Resistance to carbon monoxide attack Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by 2Al2O₃ . 3SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ 2Al2O₃ . 3SiO₂ 3Al2O₃ . 2SiO₂ Al2O₃ . 2SiO₂ Al2O₃ . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks with lower permeability is produced by using Finer grog size Higher firing temperature All of these Higher moulding pressure Finer grog size Higher firing temperature All of these Higher moulding pressure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. None of these Spalling resistance Strength Thermal conductivity None of these Spalling resistance Strength Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Rotary kilns None of these Tunnel kilns Sun Rotary kilns None of these Tunnel kilns Sun ANSWER DOWNLOAD EXAMIANS APP
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