Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 50 and 50 80 and 20 60 and 40 20 and 80 50 and 50 80 and 20 60 and 40 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Fireclay Alumina Zircon Graphite Fireclay Alumina Zircon Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof Beehive coke ovens Dome and upper portion of B.F. stoves Coke oven walls Open hearth furnace roof Beehive coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with High alumina bricks Graphite blocks Silica bricks Low duty firebricks High alumina bricks Graphite blocks Silica bricks Low duty firebricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories are dried in the Tunnel kilns Sun None of these Rotary kilns Tunnel kilns Sun None of these Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Resistance to CO attack Modulus of rupture Permanent linear change RUL Resistance to CO attack Modulus of rupture Permanent linear change ANSWER DOWNLOAD EXAMIANS APP
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