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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4028
Question 1
'Pitting' is a form of localized corrosion that looks like:
  • Small holes or 'pits' in the metal surface✔️
  • A coat of paint
  • Long cracks
  • A layer of dust
Correct Answer Explanation
Usually caused by dissolved oxygen in the boiler water.