Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Fireclay Silica Dolomite Magnesite Fireclay Silica Dolomite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With decrease in porosity, the __________ of the refractories decreases. Thermal conductivity None of these Spalling resistance Strength Thermal conductivity None of these Spalling resistance Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Tar bonded dolomite bricks Fireclay bricks Chromite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Chromite bricks Magnesite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Expansion during heating Rate at which a fluid will pass through the pores Melting point Refractoriness Expansion during heating Rate at which a fluid will pass through the pores Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Neither A nor B Continuous casting systems Slide gate in teeming laddies Both A & B Neither A nor B Continuous casting systems Slide gate in teeming laddies Both A & B ANSWER DOWNLOAD EXAMIANS APP
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