Refractory Technology Which form of silica has the highest specific gravity? Quartz Cristobalite All of these Tridymite Quartz Cristobalite All of these Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 45 95 60 80 45 95 60 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 5 to 10 20 to 30 60 to 75 45 to 60 5 to 10 20 to 30 60 to 75 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Baffle Buckstay Armouring Breast wall Baffle Buckstay Armouring Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Magnesite Chrome magnesite Dolomite Fireclay Magnesite Chrome magnesite Dolomite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature Can not be used in the dome of hot blast stoves All of these Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
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