USCG USCG Steam
Set 12 • Question #91 of 496
Launch Interactive Practice Room Excessive combustion air in a boiler is indicated by the flame ends appearing as a/an __________.
A
shower of sparks
✓ Correct Answer
B
orange colored flame
C
dull red or black flame
D
light brown flame
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Excessive combustion air in a boiler is indicated by the flame ends appearing as a/an', the verified engineering fact is: 'shower of sparks'.
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