Refractory Technology Magnesite refractories are used for the construction of those furnaces, which are Both (b) and © Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature Both (b) and © Used for raising & maintaining high temperature Not required to resist the corrosive action of basic slag Not subjected to fluctuation in temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness Refractoriness under load (RUL) Spalling resistance None of these Refractoriness Refractoriness under load (RUL) Spalling resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Magnesite Graphite Silicon carbide Chromite Magnesite Graphite Silicon carbide Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength Better thermal spalling resistance All of these Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength Better thermal spalling resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Contains both alumina and silica All of these Is a non-plastic material Iscrushed firebrick Contains both alumina and silica All of these Is a non-plastic material Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Composition Texture All of these Firing temperature Composition Texture All of these Firing temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS