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Tank Cleaning 1, Introduction and Safety

CBT 15 questions

First 5 of 15 questions — with answers

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

  1. Question 1

    Following basic stages will lead to a potential electrostatic hazard.
    • Charge separation, charge accumulation and electrostatic discharge.
    • Charge separation and electrostatic discharge.
    • Charge separation, charge neutralization, electrostatic discharge.
    • Two different materials rubbing against each other.

  2. Question 2

    ISGOTT is published by ICS, OCIMF and IAPH. Why is it wise to have this publication on board a tanker?
    • It deals with environmental issues in relation to tankers.
    • It deals with industrial best practices on all aspects of the safe carriage and handling of oils on board tankers and at terminals.
    • It is required by IMO.
    • It is required by international law.

  3. Question 3

    Is it allowed to recirculate the tank cleaning water after carrying a cargo of petroleum?
    • No - recirculation the tank cleaning water will increase the risk of an electrostatic discharge, therefore it is not allowed under any circumstances.
    • No - recirculation will prevent the tank from becoming clean.
    • Yes - if the tanks are inerted, it is allowed to recirculate the tank cleaning water.
    • Yes - it is always allowed to recirculate the tank cleaning water.

  4. Question 4

    The common denominator for almost all incidents and accidents during tank cleaning is found to be:
    • Bad weather.
    • Malfunctioning or insufficient equipment.
    • Human factors.
    • Wrong or insufficient cargo information.

  5. Question 5

    The fire hazard is controlled by «removing» the oxygen side in the fire-triangle when cleaning an inerted tank. How do we control the fire hazard if the tank is not inerted?
    • By «removing» both the fuel and the sources of ignition.
    • By «removing» both the fuel, oxygen, and the sources of ignition.
    • By «removing» the fuel.
    • By «removing» the sources of ignition.

Preview — 5 of 15 questions

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About this CBT test

Tank Cleaning 1, Introduction and Safety is a CBT test with 15 questions and verified answers. Common topics include: tank, hazard, lead, board, tanker, water, fire, oxygen.

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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