Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Periclase Corrundum Carborundum Bauxite Periclase Corrundum Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Lowduty fireclay Chrome or magnesite Silicon carbide Silica Lowduty fireclay Chrome or magnesite Silicon carbide Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Lime Plaster of paris Aluminium phosphate Water Lime Plaster of paris Aluminium phosphate Water ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Silica Chrome magnesite Fireclay None of these Silica Chrome magnesite Fireclay None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Coke ovens Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces ANSWER DOWNLOAD EXAMIANS APP
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