Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1550 1300 1150 1450 1550 1300 1150 1450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Neither A nor B Low porosity Both A & B High thermal conductivity Neither A nor B Low porosity Both A & B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Rotary kilns None of these Tunnel kilns Sun Rotary kilns None of these Tunnel kilns Sun ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Fireclay bricks Magnesia bricks Silica bricks Bauxite bricks Fireclay bricks Magnesia bricks Silica bricks Bauxite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a natural insulating material? None of these Vermiculite Asbestos Diatomaceous earth/kieselgur None of these Vermiculite Asbestos Diatomaceous earth/kieselgur ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Both B and C Thermal conductivity Wetting characteristics Refractoriness Both B and C Thermal conductivity Wetting characteristics Refractoriness ANSWER DOWNLOAD EXAMIANS APP
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