Refractory Technology Tar bonded dolomite bricks Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks All of these Are used in outer lining of L.D. converters Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks All of these Are used in outer lining of L.D. converters ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of fireclay refractories is __________ percent. 44129 35-50 25-35 43961 44129 35-50 25-35 43961 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Neither A nor B Both A & B Repairing construction of various furnace parts Obtaining monolithic working faces Neither A nor B Both A & B Repairing construction of various furnace parts Obtaining monolithic working faces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Transformers Thermal insulation Magnetic switches Television sets Transformers Thermal insulation Magnetic switches Television sets ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. None of these Strength Spalling resistance Thermal conductivity None of these Strength Spalling resistance Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the Insulation of high temperature furnaces Roof of electric furnaces Nuclear reactors, missiles & space crafts Hearth of the blast furnace Insulation of high temperature furnaces Roof of electric furnaces Nuclear reactors, missiles & space crafts Hearth of the blast furnace ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS