Refractory Technology With increase in the alumina content in firebricks, its fusion point (refractoriness) Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture? Chemically prepared foam Sand Saw dust Cork Chemically prepared foam Sand Saw dust Cork 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 Mullite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Mullite bricks Magnesite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? High alumina refractory Carbon black Fireclay Silica High alumina refractory Carbon black Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Cement Fertiliser Metallurgical Power Cement Fertiliser Metallurgical Power ANSWER DOWNLOAD EXAMIANS APP