USCG USCG Steam
Set 14 • Question #164 of 496
Launch Interactive Practice Room Black smoke issuing from the boiler stack can be caused by an improper fuel/air ratio and by __________.
A
excessively high fuel pressure
B
low fuel temperature
✓ Correct Answer
C
high fuel temperature
D
low fuel pressure
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Black smoke issuing from the boiler stack can be caused by an improper fuel/air ratio and by', the verified engineering fact is: 'low fuel temperature'.
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