USCG USCG Steam
Set 14 • Question #179 of 496
Launch Interactive Practice Room If a boiler is smoking black and increasing the boiler front air box pressure does not reduce the smoke, the cause can be __________.
A
forced draft fan failure
B
dirty atomizers
✓ Correct Answer
C
heavy soot on tubes
D
high ambient air temperature
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'If a boiler is smoking black and increasing the boiler front air box pressure does not reduce the smoke, the cause can be', the verified engineering fact is: 'dirty atomizers'.
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