Skip to content
MaritimeTest
Log in

Marine Fuels, Specification ISO 8217

CBT 17 questions

First 5 of 17 questions — with answers

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

  1. Question 1

    Total sediment (potential) is a measure of which of the following?
    • Deposit of sediment due to storage of fuel over a period of time at elevated temperatures.
    • Deposit of sediment due to suspended solids.
    • Deposit of sediment due to poor combustion.
    • Deposit of sediment due to mixing with other fuels.

  2. Question 2

    A value for fuel viscosity is required for a number of operational reasons. Select all of the operations for which a viscosity value for the fuel is required from the options given:
    • Calculating storage temperatures to ensure transfer of fuel is possible.
    • Calculating a safe storage temperature.
    • Calculating the quantity of the fuel onboard.
    • Calculating flow rates for purifiers.

  3. Question 3

    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 the temperature to achieve correct fuel injection viscosity.
    • Setting up purifiers.
    • Vessel stability calculations.
    • Calculating the mass of fuel.

  4. Question 4

    Limits for Micro Carbon Residue, MCR, are included in both of the ISO 8217 fuel tables. Which of the following is the best description of the effect of a high value of MCR?
    • Frequent cleaning of purifiers will be required.
    • Blockage of fuel filters may occur.
    • Heavy fouling of engine cylinder and exhaust system may occur in the event of poor combustion conditions.
    • Seizure of injection system may occur.

  5. Question 5

    Which of the following quality indicators is included in the ISO 8217 tables?
    • An ignition quality indicator for distillate fuels.
    • A combustion quality indicator for residual fuels.
    • An ignition quality indicator for residual fuels.
    • A combustion quality indicator for distillate fuels.

Preview — 5 of 17 questions

You are seeing the first 5 questions with answers. Unlock the remaining 12 to study the whole test — online or offline.

About this CBT test

Marine Fuels, Specification ISO 8217 is a CBT test with 17 questions and verified answers. Common topics include: value fuel, iso, tables, high, fuels, number, content, standard.

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.

Related CBT tests