Refractory Technology SiO₂ percentage in firebrick is about 35-40 >94 80-85 55-60 35-40 >94 80-85 55-60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Burning All of these Preheating Cooling Burning All of these Preheating Cooling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Fireclay Carbon Silica Tar dolomite Fireclay Carbon Silica Tar dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 100 10 1000 500 100 10 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories May increase or decrease Increases Remains same Decreases May increase or decrease Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. 1000 >1350 >2000 500 1000 >1350 >2000 500 ANSWER DOWNLOAD EXAMIANS APP
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