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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4066
Question 1
The 'Safe Working Pressure' of an old boiler is usually:
  • Increased over time
  • Reduced as the metal thins due to corrosion (after inspection)✔️
  • Kept the same forever
  • Doubled for safety
Correct Answer Explanation
Inspectors calculate the remaining strength of the vessel and may derate its pressure.