Refractory Technology Insulating refractories should have Neither A nor B High porosity Low thermal conductivity Both A & B Neither A nor B High porosity Low thermal conductivity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? High thermal conductivity Neither A nor B Both A & B Low porosity High thermal conductivity Neither A nor B Both A & B Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Mullite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Mullite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory Fired at a temperature of 600°C only Acidic refractory Neutral refractory Basic refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Slip casting Pressing/machine moulding Extrusion Hand moulding Slip casting Pressing/machine moulding Extrusion Hand moulding ANSWER DOWNLOAD EXAMIANS APP
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