Engine_2014 : Steam Plants - 642/1951
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| Radial cracks have developed in the castable refractory of the burner cones after the first firing since the installation of new furnace front refractory. This is an indication of __________. |
| A) a need for plastic firebrick patchwork |
| B) inadequate cone angle |
| C) a need for castable refractory patchwork |
| D) relieved stresses |
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