Refractory Technology Electrical resistor bars are made of Silicon carbide Alumina Graphite Zirconia Silicon carbide Alumina Graphite Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? Diatomaceous earth/kieselgur None of these Asbestos Vermiculite Diatomaceous earth/kieselgur None of these Asbestos Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Spalling resistance Fusion point Resistance to slag penetration Resistance to carbon monoxide attack Spalling resistance Fusion point Resistance to slag penetration Resistance to carbon monoxide attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its All of these Composition Texture Firing temperature All of these Composition Texture Firing temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Natural silica All of these Mainly contains quartz Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes Is not stable at high temperature All of these Mainly contains quartz Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes Is not stable at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the Soaking pits All of these Roof lining of basic open hearth & other basic furnaces Reheating furnaces Soaking pits All of these Roof lining of basic open hearth & other basic furnaces Reheating furnaces ANSWER DOWNLOAD EXAMIANS APP
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