Refractory Technology An ideal refractory should have high Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Silica bricks Tar dolomite bricks Fireclay bricks High alumina bricks Silica bricks Tar dolomite bricks Fireclay bricks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spray test determines the __________ of refractories. Resistance to CO attack Resistance to slag penetration Permanent linear change RUL Resistance to CO attack Resistance to slag penetration Permanent linear change RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Orton cones Ovens & retorts Segar cones Pressure vessels Orton cones Ovens & retorts Segar cones Pressure vessels ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Silica Fireclay Chrome magnesite None of these Silica Fireclay Chrome magnesite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks ANSWER DOWNLOAD EXAMIANS APP