Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Pug Ball Rod Tube Pug Ball Rod Tube ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Furnaces allowed to cool frequently Flues All of these Chimney linings Furnaces allowed to cool frequently Flues All of these Chimney linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 100-150 500-1000 50-100 200-400 100-150 500-1000 50-100 200-400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 20 to 30 45 to 60 60 to 75 5 to 10 20 to 30 45 to 60 60 to 75 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature Have lower thermal conductivity than fireclay bricks All of these Can not be used in the dome of hot blast stoves Crack when subjected to sudden change of temperature Have lower thermal conductivity than fireclay bricks All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Refractoriness Melting point Expansion during heating Rate at which a fluid will pass through the pores Refractoriness Melting point Expansion during heating Rate at which a fluid will pass through the pores ANSWER DOWNLOAD EXAMIANS APP
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