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COW

CBT 28 questions

First 5 of 28 questions — with answers

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  1. Question 1

    According to IMO the Manual has to be approved by the Administration. With regard to general practice who is giving the final approval of the Manual?
    • The classification society.
    • The IMO.
    • The coast guard.
    • The port state.

  2. Question 2

    Are we allowed to perform COW at sea?
    • Yes, on ballast passages.
    • No, we are not allowed to perform COW at sea.
    • Yes, between discharge ports.
    • There are no restrictions regarding COW at sea.

  3. Question 3

    From how many or which one of the cargo pumps must it be possible to take "bleed-off" from main(s) for COW supply?
    • From 50 % of the cargo pumps.
    • From any one of the cargo pumps.
    • From at least two of the cargo pumps.
    • From a particular cargo pump.

  4. Question 4

    How many percent of the cargo tanks to be crude oil washed on rotational basis for sludge control during a 4 months period?
    • Approximately 25 %.
    • Approximately 50 %.
    • Approximately 30 %.
    • Approximately 10 %.

  5. Question 5

    How to avoid excessive electrostatic generation in the washing process due to the presence of water in the crude oil washing fluid?
    • By recirculating cargo in the tank before use as a source of washing fluid.
    • By discharge at least 1 metre from the tank before use as a source of washing fluid.
    • By heating the cargo in the tank before use as a source of washing fluid.
    • Increase the inert gas pressure in the tank before use as a source of washing fluid.

Preview — 5 of 28 questions

You are seeing the first 5 questions with answers. Unlock the remaining 23 to study the whole test — online or offline.

About this CBT test

COW is a CBT test with 28 questions and verified answers. Common topics include: cargo tanks, cow, oil, crude, requirement, system, manual, water.

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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