Refractory Technology Panel test determines the __________ of refractories. Fusion point Refractoriness under load (RUL) Slag penetration resistance Spalling resistance Fusion point Refractoriness under load (RUL) Slag penetration resistance Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Thermal conductivity Density None of these Specific heat Thermal conductivity Density None of these Specific heat 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 Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces Hearth of the blast furnace Insulation of high temperature furnaces Nuclear reactors, missiles & space crafts Roof of electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Beryllia Corundum Thoria Carborundum Beryllia Corundum Thoria Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Neutral Basic High alumina Insulating Neutral Basic High alumina Insulating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory Basic refractory Neutral refractory Fired at a temperature of 600°C only Acidic refractory ANSWER DOWNLOAD EXAMIANS APP