Refractory Technology Which is a neutral refractory? Silica Magnesia Magnesite chrome Graphite Silica Magnesia Magnesite chrome Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Siliceous fireclay Silicon carbide Fireclay Corrundum Siliceous fireclay Silicon carbide Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Low porosity High thermal conductivity Neither A nor B Both A & B Low porosity High thermal conductivity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Oxidising condition in the furnace Decreased viscosity of slag None of these Increased thermal conductivity of brick Oxidising condition in the furnace Decreased viscosity of slag None of these Increased thermal conductivity of brick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Calcium phosphate Powdered naphthalene Ammonium chloride/sulphate All of these Calcium phosphate Powdered naphthalene Ammonium chloride/sulphate All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Zircon Beryllia Thoria Carborundum Zircon Beryllia Thoria Carborundum ANSWER DOWNLOAD EXAMIANS APP
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