Which of the following statements represents the acceptable practice to follow to prevent mixing of potentially incompatible fuels in a heavy fuel oil settling tank?
• Fuel oil compatibility and stability when mixing different bunkers • Purpose and operation of a heavy fuel oil settling tank • Best practices before changing over transfer pump suctions to a new set of storage tanks
• If two different heavy fuels might be incompatible, what condition inside the settling tank would make a bad reaction between them more likely and widespread? • What is the primary safety concern: water/solids, temperature, or the amount of old fuel present when new fuel is introduced? • Think about what step minimizes the volume of ‘old’ fuel that will mix with ‘new’ fuel when you change storage tank suction.
• Which option most directly addresses mixing of different fuels, not just cleanliness or heating efficiency? • Which practice would minimize the quantity of potentially incompatible fuel that could react together? • Which step is commonly recommended in bunkering and fuel handling guidelines for fuel changeover and segregation?
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