USCG USCG Steam
Set 16 • Question #234 of 496
Launch Interactive Practice Room If the stack temperature is higher than normal, this could indicate __________.
A
low fuel oil back pressure
B
too much excess air
✓ Correct Answer
C
high feedwater pressure
D
external boiler casing leakage
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'If the stack temperature is higher than normal, this could indicate', the verified engineering fact is: 'too much excess air'.
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