Flame scanners are used with boiler combustion control systems to monitor flame quality and to __________.

Correct Answer: Option C — shut off the fuel supply if flame failure is detected

In USCG Steam Plants (Boilers & Turbines), regarding 'Flame scanners are used with boiler combustion control systems to monitor flame quality and to', the verified engineering fact is: 'shut off the fuel supply if flame failure is detected'.