Refractory Technology To resist spalling tendency, a refractory should have All of these Low specific heat Greater diffusivity Low thermal co-efficient of expansion All of these Low specific heat Greater diffusivity Low thermal co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Silicon carbide Graphite Chromite Magnesite Silicon carbide Graphite Chromite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increasing alumina content, the fusion point of high alumina refractories Increases Remains constant May increase or decrease ; depends on its alumina content Decreases Increases Remains constant May increase or decrease ; depends on its alumina content Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Fireclay Chrome magnesite Silica None of these Fireclay Chrome magnesite Silica None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to temperature fluctuation Subjected to high load None of these Required to resist corrosive basic slag Subjected to temperature fluctuation Subjected to high load None of these Required to resist corrosive basic slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have High insulating properties Low thermal conductivity Low heat capacity Greater strength High insulating properties Low thermal conductivity Low heat capacity Greater strength ANSWER DOWNLOAD EXAMIANS APP
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