The temperature of the contaminated fuel oil fed to the centrifuge shown in the illustration should be __________. Illustration MO-0012
Official USCG Answer & Rule Citation
Correct Answer: Option B — 203°F to less than 212°F
Purifying heavy fuel oil in a centrifugal separator requires high thermal energy to lower viscosity and break emulsions effectively. Operating temperatures must be maintained between 203°F and just below 212°F (95°C to 100°C) to optimize separation without causing vaporization or boiling.
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