

MCQOPTIONS
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1. |
Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ C. |
A. | 1520 |
B. | 1630 |
C. | 1670 |
D. | 1730 |
Answer» E. | |