Back to Questions
THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4058
Question 1
'Expansion Loops' or 'Bellows' in a steam line are used to:
  • Increase pressure
  • Absorb the thermal expansion of the pipe as it gets hot✔️
  • Speed up the steam
  • Trap the air
Correct Answer Explanation
Without them, expanding pipes would bend or break their supports.