Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Alumina Zirconia Magnesia Thoria Alumina Zirconia Magnesia Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Thermal conductivity Strength Porosity Specific gravity Thermal conductivity Strength Porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Power Metallurgical Cement Fertiliser Power Metallurgical Cement Fertiliser ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1670 1730 1630 1520 1670 1730 1630 1520 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Magnesite bricks Mullite bricks Fireclay bricks Tar bonded dolomite bricks Magnesite bricks Mullite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Water Aluminium phosphate Lime Plaster of paris Water Aluminium phosphate Lime Plaster of paris ANSWER DOWNLOAD EXAMIANS APP
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