Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Insulating bricks Muffles for muffle furnaces Segar cones Crucibles used for melting of high purity metals Insulating bricks Muffles for muffle furnaces Segar cones Crucibles used for melting of high purity metals ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Preheating Cooling All of these Burning Preheating Cooling All of these Burning ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Thoria Beryllia Carborundum Zircon Thoria Beryllia Carborundum Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Tar dolomite bricks High alumina bricks Fireclay bricks Silica bricks Tar dolomite bricks High alumina bricks Fireclay bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Porosity Strength Thermal conductivity Specific gravity Porosity Strength Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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