USCG USCG Steam
Set 14 • Question #163 of 496
Launch Interactive Practice Room Why should a boiler furnace be purged before the first burner is lit off?
A
To control air pressure in the windbox.
B
To ensure a proper fuel to air ratio.
C
To clear the furnace of any explosive gases.
✓ Correct Answer
D
To make the fires easier to light.
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Why should a boiler furnace be purged before the first burner is lit off', the verified engineering fact is: 'To clear the furnace of any explosive gases.'.
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