USCG USCG Steam
Set 12 • Question #120 of 496
Launch Interactive Practice Room Which of the terms listed represents the ratio between the highest and lowest fuel oil pressure at which the burners will remain ignited?
A
Air/fuel ratio
B
Modulating band ratio
C
Firing range ratio
D
Turndown ratio
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Which of the terms listed represents the ratio between the highest and lowest fuel oil pressure at which the burners will remain ignited', the verified engineering fact is: 'Turndown ratio'.
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