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THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4015
Question 1
'Low Water Cut-Off' (LWCO) is an electrical device that:
  • Starts the pump
  • Shuts down the fuel supply if water falls to a dangerous level✔️
  • Measures the $pH$ of water
  • Cleans the tubes
Correct Answer Explanation
It is a primary safety device to prevent 'Dry Firing' the boiler.