Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 100 10 500 1000 100 10 500 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Warming up Neither A nor B Both A & B Cooling down Warming up Neither A nor B Both A & B Cooling down ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Vitrification Removal of water of hydration Development of stable mineral form Decrease in crushing strength Vitrification Removal of water of hydration Development of stable mineral form Decrease in crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Television sets Transformers Thermal insulation Magnetic switches Television sets Transformers Thermal insulation Magnetic switches 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 Increased thermal conductivity of brick None of these Oxidising condition in the furnace Decreased viscosity of slag Increased thermal conductivity of brick None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Dolomite Chrome magnesite Fireclay Magnesite Dolomite Chrome magnesite Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP
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