Engine : Steam Plants - 480/811 |
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Dirty generating tube surfaces may cause higher than normal superheater outlet temperatures because __________. |
A) the boiler must be over fired to maintain the required rate of steam generation |
B) the screen tubes absorb excessive heat and transfer the increased temperature to the superheater |
C) the temperature of the gas leaving the generating banks will be lower than normal |
D) gas laning will result causing overheating of the superheater |
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