Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Burning Preheating All of these Cooling Burning Preheating All of these Cooling 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 Tar dolomite bricks are used in the Basic open hearth furnace Electric furnaces All of these Basic Bessemer converter Basic open hearth furnace Electric furnaces All of these Basic Bessemer converter ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Magnesite bricks Fireclay bricks Tar bonded dolomite bricks Mullite bricks Magnesite bricks Fireclay bricks Tar bonded dolomite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. RUL Modulus of rupture Permanent linear change Resistance to CO attack RUL Modulus of rupture Permanent linear change Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its None of these Specific gravity RUL Fusion point None of these Specific gravity RUL Fusion point ANSWER DOWNLOAD EXAMIANS APP
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