Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Magnesite Fireclay Silica Zirconia Magnesite Fireclay Silica 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 Silicon carbide bricks Sillimanite Firebricks Silica bricks Silicon carbide bricks Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? High alumina refractory Fireclay Silica Carbon black High alumina refractory Fireclay Silica Carbon black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Blast furnace Recuperators Muffle furnace Coke oven regenarators Blast furnace Recuperators Muffle furnace Coke oven regenarators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Neutral Basic Insulating High alumina Neutral Basic Insulating High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 1600 2000 1000 700 1600 2000 1000 700 ANSWER DOWNLOAD EXAMIANS APP