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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4002
Question 1
'Soot Blowers' are used in large boilers to:
  • Clean the exterior of the factory
  • Remove ash and soot deposits from the external surfaces of the tubes✔️
  • Blow air into the furnace
  • Extinguish the fire
Correct Answer Explanation
Ash buildup acts as an insulator and reduces heat transfer efficiency.