Refractory Technology Basic bricks are not made of Fireclay Foresterite Chromite Magnesite Fireclay Foresterite Chromite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite is not used in the All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Vitrification Decrease in crushing strength Development of stable mineral form Removal of water of hydration Vitrification Decrease in crushing strength Development of stable mineral form Removal of water of hydration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Non-wetting characteristics High density Low porosity High thermal conductivity Non-wetting characteristics High density Low porosity High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP