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Enclosed Space Entry, Hazard Awareness and Preparations for Entry Answers

CBT 14 questions

First 5 of 14 questions — with answers

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

  1. Question 1

    Which ONE of the following is the best definition of an enclosed space? Select the ONE best answer.
    • Only spaces that are designated as enclosed spaces.
    • Any space with limited openings for entry and exit or poor ventilation.
    • Only spaces that can be totally enclosed, such as ballast and fuel tanks.
    • Tanks, cargo and machinery spaces where a prolonged visit to carry out work is necessary.

  2. Question 2

    The IMO say that you must carry instruments onboard to check the atmosphere of an enclosed space. As a minimum, which gases do the IMO say you should be able to check for? Select the ONE correct answer.
    • Oxygen, flammable gas, hydrogen sulphide and carbon monoxide.
    • Carbon di-oxide, benzene, flammable gas, and hydrogen sulphide.
    • Oxygen, benzene, flammable gas, and hydrogen sulphide.
    • Carbon di-oxide, carbon monoxide, flammable gas, and hydrogen sulphide.

  3. Question 3

    How much oxygen is present in normal atmospheric air? Select the ONE correct answer.
    • 18 % by volume.
    • 21 % by volume.
    • 23 % by volume.
    • 50 % by volume.

  4. Question 4

    What is the maximum acceptable reading on a flammable gas meter before entry into an enclosed space? Select the ONE correct answer.
    • Up to 50 % of the lower flammable limit.
    • Up to 1 % of the lower flammable limit.
    • Up to the lower flammable limit.
    • Up to 1 % concentration by volume.

  5. Question 5

    According to SOLAS, when must you wear a personal multi-gas detector? Select the ONE correct answer.
    • Only the person in charge of the work always needs to wear a multi-gas detector.
    • Whenever it has been listed as a precaution on a Permit to Work.
    • Whenever the duration of the work is longer than ten minutes.
    • Whenever you enter an enclosed space.

Preview — 5 of 14 questions

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About this CBT test

Enclosed Space Entry, Hazard Awareness and Preparations for Entry Answers is a CBT test with 14 questions and verified answers. Common topics include: space, entry, solas, imo, permit, say, check, minimum.

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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