Question: What should be first attempted if compliant fuel is unavailable?



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Question:
If a tank that has been found compliant to receive 0.50% fuel receives HSFO, what will need to be done before the 0.50% fuel can be added ?
Number of correct alternatives: 1

  • The HSFO needs to be fully emptied.

  • HSFO and 0.50% compliant fuel can be mixed in a tank at a ratio of 80/20 until the 1st of January 2020

  • The tank will need to be emptied, cleaned, and stripped. It cannot be used until a technical superintendent can come to verify it is acceptable.

All HSFO to be emptied, tank to be cleaned and stripped as required, tank to again be inspected.

Question:
What is a valid reason to submit a FONAR? (Ref S.I 20a)
Number of correct alternatives: 1

  • The available fuel does not comply with the MARPOL sulphur limits, or its quality characteristics make it not safe to use on board.

  • Available fuel is too expensive

  • Vessel's tanks are not prepared to bunker HSFO

  • The bunker supplier has a poor supplier credit assessment

Question:
What is the difference between blended and straight run fuels?
Number of correct alternatives: 1



Blended fuels are made by combining different fuels together, straight run fuel is homogenous (all one type)



Straight run fuels do not require heating, blended fuels do



Straight run fuels do not need purifying - they can be run straight to the engine inlet, blended need to be treated the same as normal HSFO



Blended fuels do not require heating, straight run fuels do
Question:
If a tank that has been found compliant to receive 0.50% fuel receives HSFO, what will need to be done before the 0.50% fuel can be added ?
Number of correct alternatives: 1



All HSFO to be emptied, tank to be cleaned and stripped as required, tank to again be inspected.



HSFO and 0.50% compliant fuel can be mixed in a tank at a ratio of 80/20 until the 1st of January 2020



The tank will need to be emptied, cleaned, and stripped. It cannot be used until a technical superintendent can come to verify it is acceptable.



The HSFO needs to be fully emptied.
Vapor lock in fuel supply piping

  • Close monitoring by ship management during the

F.O. change over period.
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