Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1730 1520 1630 1670 1730 1520 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 570 270 70 770 570 270 70 770 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1730 1520 1630 1670 1730 1520 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. Acid Lime Basic None of these Acid Lime Basic None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Fireclay Carbon Tar dolomite Silica Fireclay Carbon Tar dolomite Silica ANSWER DOWNLOAD EXAMIANS APP
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