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Marine Fuel Handling

CBT 54 questions

First 5 of 54 questions — with answers

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

  1. Question 1

    A centrifuge is used to give more effective separation of water and dirt from fuel. How does it achieve this better separation?
    • By increasing the separating force by centrifugal action.
    • By having a self-cleaning facility.
    • By having a high flow rate.
    • By using gravity discs.

  2. Question 2

    A fuel oil tank is fitted with a sounding pipe, which is used from within the engine room. Which one of the following fittings given must be fitted?
    • Self closing cock with test cock.
    • Non return float valve.
    • Flame trap.
    • Tank high level alarm.

  3. Question 3

    A purifier is used to clean the fuel prior to delivering it to the service tank for use in the engine. Which one of the options shows what should be removed from the fuel by the purifier?
    • Water and dirt.
    • Water.
    • Dirt.
    • Microbial contamination.

  4. Question 4

    Back flushing filters are sometimes fitted in the onboard fuel oil treatment system. Which one of the following options best describes what the unit is normally back flushed with?
    • Diesel oil.
    • Air.
    • Water.
    • Cleaned fuel.

  5. Question 5

    Centrifuges are often used in pairs to give a combined cleaning effect on fuel oil. Which of the options given is the preferred arrangement for these combinations?
    • Purifier and clarifier in parallel.
    • Two clarifiers in series.
    • Two purifiers in parallel.
    • Purifier and clarifier in series.

Preview — 5 of 54 questions

You are seeing the first 5 questions with answers. Unlock the remaining 49 to study the whole test — online or offline.

About this CBT test

Marine Fuel Handling is a CBT test with 54 questions and verified answers. Common topics include: marpol annex, marine pollution, international maritime, different aspects, safety management, fuel, oil, tank.

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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