Engine_2014 : Steam Plants - 354/1951
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| Flame scanners are used with boiler combustion control systems to monitor flame quality and to __________ . |
| A) shut off the fuel supply if flame failure is detected |
| B) secure the fuel oil service pump in the event of a floor fire |
| C) secure the forced draft fan in the event of a flame failure |
| D) regulate the fuel/air ratio controller for more efficient combustion |
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