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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4001
Question 1
Why is 'Internal Water Treatment' necessary even if external treatment is used?
  • To make the water look clear
  • To neutralize residual hardness and prevent corrosion/pitting✔️
  • To increase the boiling point
  • To decrease the volume of water
Correct Answer Explanation
Chemicals are added directly to the drum to handle any remaining contaminants.