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Class 4 (4th Engineer) MEP 📅 Mar 2024

Exam Question

With respect to centrifuges;

(a) Explain the reasons which shall cause a purifier to overflow (6)

(b) What are reasons that induces vibration in a purifier" (4)

(c) Explain the process of desludging? Why is the purifier amperage an important parameter for the operator? (6)

Reference Answer

### (a) Reasons for Purifier Overflow (6 Marks)
A purifier overflow occurs when either the heavy phase (water/sludge) or the light phase (purified oil) outlet is compromised, leading to the accumulation of fluid inside the bowl and subsequent spillage over the top cover of the purifier.
Key reasons for a purifier to overflow include:
* **Loss of Water Seal (Heavy Phase Seal)**:

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