Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1520-1630 > 2000 > 1730 1630-1670 1520-1630 > 2000 > 1730 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Silica Magnesite chrome Graphite Magnesia Silica Magnesite chrome Graphite Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a high alumina refractory material? Sillimanite Kyanite Periclase Diaspore Sillimanite Kyanite Periclase Diaspore ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Silicon carbide Graphite Magnesite Chromite Silicon carbide Graphite Magnesite Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Increases with rise in service temperature Is unaffected with change in service temperature Decreases with rise in service temperature Decreases with increase in porosity Increases with rise in service temperature Is unaffected with change in service temperature Decreases with rise in service temperature Decreases with increase in porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 65 450 150 250 65 450 150 250 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS