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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #3998
Question 1
'Draft' (Draught) in a boiler furnace is required to:
  • Wash the furnace
  • Provide a continuous supply of air for combustion and remove flue gases✔️
  • Keep the operator cool
  • Measure the water level
Correct Answer Explanation
Natural draft is created by the chimney; forced/induced draft uses fans.