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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4041
Question 1
'Safety Factor' in boiler design means the boiler is built:
  • To fail at the working pressure
  • Stronger than the required working pressure to account for uncertainties✔️
  • With only one valve
  • By a famous company
Correct Answer Explanation
A safety factor of $4$ means the metal can withstand $4$ times the working pressure before failing.