Exam Question

With reference to a fuel oil purifier, the following reasons address potential operational issues:
**(a) Reasons that may cause the purifier to overflow:**
Overflow in a fuel oil purifier occurs when the heavy phase (water and sludge) outlet system is compromised, allowing oil (light phase) to escape with the heavy phase, or when the separation process is severely disrupted. Key reasons include:
* **Loss or Inadequate Sealing Water:**