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Benchmark: 70% Standard: USCG NMC / 46 CFR
USCG USCG Steam Set 15 • Question #186 of 496
Launch Interactive Practice Room

The possibility of a flareback in a boiler will be reduced if you __________.

A
rotate the soot blower elements one complete revolution prior to lighting off
B
maintain the fuel oil to the burner at the flash point
C
supply a minimum of excess air
D
purge the furnace with fresh air prior to lighting off ✓ Correct Answer

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