Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 800-1000 2400-2600 1000-1200 1600-1800 800-1000 2400-2600 1000-1200 1600-1800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to temperature fluctuation Required to resist corrosive basic slag None of these Subjected to high load Subjected to temperature fluctuation Required to resist corrosive basic slag None of these Subjected to high load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Strength Porosity Thermal conductivity Specific gravity Strength Porosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 70 50 30 90 70 50 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow Light buff to reddish buff None of these Black Yellow Light buff to reddish buff None of these Black ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Carbides Nitrides Oxides Borides Carbides Nitrides Oxides ANSWER DOWNLOAD EXAMIANS APP