Refractory Technology Ferromagnetic ceramic material is not used in the Thermal insulation Transformers Magnetic switches Television sets Thermal insulation Transformers Magnetic switches Television sets 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? Saw dust Cork Chemically prepared foam Sand Saw dust Cork Chemically prepared foam Sand ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1520 1915 1710 1380 1520 1915 1710 1380 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Periclase Carborundum Bauxite Corrundum Periclase Carborundum Bauxite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Fireclay Magnesite Carborundum Silica Fireclay Magnesite Carborundum Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Zirconia Fireclay Chrome magnesite Silica Zirconia Fireclay Chrome magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
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