Which of the listed sequence of events occurs when an automatic auxiliary boiler is prepurged?

Correct Answer: Option B — The damper on the inlet side of the furnace is moved to the open position for a given number of seconds and then moved to the low fire position.

In USCG Motor Plants (Diesel Engineering), regarding 'Which of the listed sequence of events occurs when an automatic auxiliary boiler is prepurged', the correct operational principle is: 'The damper on the inlet side of the furnace is moved to the open position for a given number of seconds and then moved to the low fire position.'.