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Oil Tanker Training System, Advanced

CBT 48 questions

First 5 of 48 questions — with answers

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

  1. Question 1

    A system for continuous monitoring of the concentration of hydrocarbon gases in the cargo pump-rooms shall be fitted. What is the max pre-set level?
    • No higher than 5 % LFL.
    • No higher than 3 % LFL.
    • No higher than 8 % LFL.
    • No higher than 10 % LFL.

  2. Question 2

    Any discharge into the sea of oil or oily mixtures from the cargo area of an oil tanker shall be prohibited except when:
    • The tanker is more than 100 nautical miles from nearest land.
    • The tanker is more than 20 nautical miles from nearest land.
    • The tanker is more than 30 nautical miles from nearest land.
    • The tanker is more than 50 nautical miles from nearest land.

  3. Question 3

    As a general guidance to the suitability of an oil for crude oil washing the following criteria should be used. For aromatic crude oils whose kinematic viscosity is the temperature controlling characteristic, the kinematic viscosity of the oil used for COW should not exceed ___ centistokes at the oil wash medium temperature.
    • 40 centistokes.
    • 50 centistokes.
    • 60 centistokes.
    • 65 centistokes.

  4. Question 4

    As a general guidance to the suitability of an oil for crude oil washing the following criteria should be used. For paraffinic crude oils whose pour point temperature is the controlling characteristic, the temperature of the cargo to be used for COW should exceed its cloud point temperature by at least ___ if excessive sludging is present and should only be used once in a "closed cycle" washing program.
    • 15 °C.
    • 5 °C.
    • 10 °C.
    • 20 °C.

  5. Question 5

    Before any portable gas indicators are brought to the measuring spot, what is very important to do with these analysers first?
    • To do a full calibration.
    • Just renew the batteries.
    • Zero adjust them.
    • Just check the filters.

Preview — 5 of 48 questions

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About this CBT test

Oil Tanker Training System, Advanced is a CBT test with 48 questions and verified answers. Common topics include: cargo tank, find regulation, oil, board, temperature, cow, content, discharge.

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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