Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Specific heat Thermal conductivity None of these Density Specific heat Thermal conductivity None of these Density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Cooling All of these Burning Preheating Cooling All of these Burning Preheating 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. 1730 1520 1670 1630 1730 1520 1670 1630 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the All of these Electric furnaces Basic Bessemer converter Basic open hearth furnace All of these Electric furnaces Basic Bessemer converter Basic open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 50 70 30 90 50 70 30 90 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP