Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Density None of these Thermal conductivity Specific heat Density None of these Thermal conductivity Specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Fusion under load Slag attack Thermal spalling CO attack Fusion under load Slag attack Thermal spalling CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the All of these Soaking pits Reheating furnaces Roof lining of basic open hearth & other basic furnaces All of these Soaking pits Reheating furnaces Roof lining of basic open hearth & other basic furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? All of these High refractoriness High strength and density High resistance to spalling All of these High refractoriness High strength and density High resistance to spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 500-1000 200-400 50-100 100-150 500-1000 200-400 50-100 100-150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Fireclay Carbon 85% alumina Corundum Fireclay Carbon 85% alumina Corundum ANSWER DOWNLOAD EXAMIANS APP
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