Back to Questions
THE BOILERS AND PRESSURE VESSELS ORDINANCE, 2002 QUESTION #4045
Question 1
'Flame Failure' sensors (Photo-cells) are used to:
  • Take pictures of the flame
  • Shut off fuel instantly if the flame goes out (preventing explosions)✔️
  • Change the flame color
  • Measure the fuel level
Correct Answer Explanation
Unburnt fuel in a hot furnace can ignite suddenly, causing a 'Furnace Explosion'.