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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4072
Question 1
'Purging' the furnace before ignition is done to:
  • Clean the dust
  • Remove any unburnt fuel/gases to prevent an explosion (mishap)✔️
  • Heat the furnace
  • Cool the burner
Correct Answer Explanation
A high-volume air purge is the first step in any safe burner start-up sequence.