Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Spalling resistance None of these Refractoriness under load (RUL) Refractoriness Spalling resistance None of these Refractoriness under load (RUL) Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 45 95 60 80 45 95 60 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Both A & B Neither A nor B Cooling down Warming up Both A & B Neither A nor B Cooling down Warming up ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Both A & B Fireclay bricks Neither A nor B Silica bricks Both A & B Fireclay bricks Neither A nor B Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Transformers Thermal insulation Television sets Magnetic switches Transformers Thermal insulation Television sets Magnetic switches ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Powdered naphthalene Ammonium chloride/sulphate All of these Calcium phosphate Powdered naphthalene Ammonium chloride/sulphate All of these Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
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