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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #3990
Question 1
A 'Safety Valve' must be set to open at a pressure:
  • Slightly below the working pressure
  • Exactly at the working pressure
  • Slightly above the working pressure but not exceeding the design limit✔️
  • Double the working pressure
Correct Answer Explanation
It acts as a relief valve to prevent the boiler from exceeding its maximum allowable working pressure (MAWP).