Refractory Technology Which is not a natural insulating material? Asbestos Diatomaceous earth/kieselgur Vermiculite None of these Asbestos Diatomaceous earth/kieselgur Vermiculite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks Silica bricks Fireclay bricks High alumina bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Firebricks Silica bricks Sillimanite Silicon carbide bricks Firebricks Silica bricks Sillimanite Silicon carbide bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Fireclay 85% alumina Corundum Carbon Fireclay 85% alumina Corundum Carbon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Increases May increase or decrease Decreases Remains same Increases May increase or decrease Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Magnesite Silicon carbide Graphite Chromite Magnesite Silicon carbide Graphite Chromite ANSWER DOWNLOAD EXAMIANS APP
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