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Fuel Oil Bunkering, Understanding Test Results

CBT 22 questions

First 5 of 22 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    According to this module, how can wax formation with distillate fuel oils best be avoided? Select the ONE best answer.
    • Ensure the oil is kept at least ten degrees Celsius below its pour point.
    • Ensure the oil is kept at least ten degrees Celsius below its wax point.
    • Ensure the oil is kept at least ten degrees Celsius above its pour point.
    • Use the separators as clarifiers only.

  2. Question 2

    According to this module, how long should Bunker Delivery Notes (BDN) be kept on-board? Select the ONE correct answer.
    • Bunker delivery notes should be kept readily available on-board for a minimum of 3 years.
    • Bunker delivery notes can be sent to head office and stored there.
    • Bunker delivery notes should be kept readily available on-board for a minimum of one year and until the fuel has been used up.
    • There is no need to keep bunker delivery notes on-board, since the suppliers must keep a copy.

  3. Question 3

    According to this module, how should Type 2 and 3 ECA compliant fuels be treated? Select the ONE correct answer.
    • They should be treated as distillate fuels.
    • They should be treated as residual heavy fuel oil of corresponding grade, particularly with regard to heating.
    • They should not be centrifuged, as this causes the constituents to separate.
    • They should not be heated in storage.

  4. Question 4

    According to this module, if distillate fuel onboard is found to have a high Acid number, what should you do?
    • Send a sample to a specialist testing agency to check for corrosion and/or chemical contamination.
    • Add an alkali to the fuel.
    • Increase the rate of cylinder lubrication oil feed, and keep the main engine cooling water temperatures high.
    • Water-wash the fuel using the separators.

  5. Question 5

    According to this module, what special care is necessary when storing Type 2 and 3 ECA compliant fuels? Select the ONE correct answer.
    • They should not be mixed with other residual fuels onboard, since there may be compatibility issues.
    • They should be regularly transferred between tanks, to prevent their component parts from separating out.
    • They should not be heated in storage.
    • They should not be heated to within twenty degrees of their closed flashpoint.

Preview — 5 of 22 questions

You are seeing the first 5 questions with answers. Unlock the remaining 17 to study the whole test — online or offline.

About this CBT test

Fuel Oil Bunkering, Understanding Test Results is a CBT test with 22 questions and verified answers. Common topics include: fuel oils, distillate fuels, module, residual, important, marine, problem, long.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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