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Marine Fuel Properties II

CBT 63 questions

First 5 of 63 questions — with answers

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

  1. Question 1

    A value for fuel density is required for a number of operational reasons. Select all of the operations for which a density value for the fuel is required from the options given:
    • Setting up purifiers.
    • Calculating the mass of fuel.
    • Vessel stability calculations.
    • Setting the temperature to achieve correct fuel injection viscosity.

  2. Question 2

    According to this module, what is the most likely cause of marine pollution by fuel oil?
    • Spillage/overflow during bunkering operations.
    • Spillage/overflow during fuel transfer operations.
    • Disposal of waste product from treatment/cleaning operations.
    • Disposal of leakage and drainage from on board use.

  3. Question 3

    Air pollution from the use of marine fuels, particularly in diesel engines, is an ongoing problem. Select, from the options given, all of those which contribute directly to air pollution:
    • Air pollution by vapour and gas given off by the fuel in storage and during treatment.
    • Air pollution by exhaust emissions from an incinerator when burning sludge residues from the treatment of fuel oil.
    • Air pollution by exhaust emissions following combustion of the fuel in a diesel engine.

  4. Question 4

    Although an energy equivalent indicator is not included within the ISO 8217 fuel standard tables it is still an important indication of a fuels quality. Which of the following range of energy levels is most representative of marine fuels?
    • 39 to 42 MJ/kg.
    • 22 to 25 MJ/kg.
    • 49 to 52 MJ/kg.
    • 32 to 35 MJ/kg.

  5. Question 5

    Although the stability of a fuel is important the ISO 8217 standard tables do not include any absolute stability indicators. Which of the following statements gives the best description of a stable fuel?
    • A stable fuel is one which remains in its original condition during storage and handling under varying conditions.
    • A stable fuel is one which can be mixed with other fuels.
    • A stable fuel is one with only one component.
    • A stable fuel is one which contains no other elements other than hydrogen and carbon.

Preview — 5 of 63 questions

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About this CBT test

Marine Fuel Properties II is a CBT test with 63 questions and verified answers. Common topics include: marine fuels, residual fuel, diesel engine, oil, iso, high, tables, value.

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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