You notice that the fuel oil sludge tank level is increasing at a higher than normal daily rate. The main engine fuel oil leakage tank has a normal level. What would you consider your first action to be?

Question

Accepted Answer

Determine if the tank level rise is attributed to fuel or water.

Answer

Increase the self-cleaning cycle interval times of the fuel oil centrifuges.

Answer

Change gravity disk on the fuel oil purifying centrifuge(s).

Answer

Lower fuel oil throughput through the fuel oil centrifuges.

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