USCG USCG Steam
Set 17 • Question #251 of 496
Launch Interactive Practice Room Boiler stack gas temperatures will be higher than normal when __________.
A
fuel temperature at the burners is excessively high
B
not enough excess air is being supplied for combustion
C
secondary combustion is occurring in the gas passages
✓ Correct Answer
D
internal water wall refractory baffles have failed
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Boiler stack gas temperatures will be higher than normal when', the verified engineering fact is: 'secondary combustion is occurring in the gas passages'.
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