Refractory Technology Which is required in an insulating refractory? High thermal conductivity Neither A nor B Both A & B Low porosity High thermal conductivity Neither A nor B Both A & B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 450 250 65 150 450 250 65 150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Minimising the number of joints in the structure Producing monolithic linings Patch work All of these Minimising the number of joints in the structure Producing monolithic linings Patch work All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Both (b) and © Not subjected to fluctuation in temperature Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Both (b) and © Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a Low porosity High spalling resistance Low spalling resistance High resistance to fusion Low porosity High spalling resistance Low spalling resistance High resistance to fusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Fertiliser Metallurgical Power Cement Fertiliser Metallurgical Power Cement ANSWER DOWNLOAD EXAMIANS APP
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