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Lockout Tagout

CBT 10 questions

First 5 of 10 questions — with answers

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

  1. Question 1

    Equipment has been isolated for work to be carried out. Why should the lock and tag at a point of isolation normally only be removed by the person who fitted it? Select the ONE best answer.
    • There is a risk that anyone else may not know enough about the isolation and the work done.
    • Anyone can remove the lock and tag; this is routinely done on many vessels.
    • No one else will know the location of the lock and tag.
    • Nobody else will have the key to the padlock used.

  2. Question 2

    How can safe isolation be maintained when more than one person is working on the same system, for instance in dry-dock? Select the ONE best answer.
    • Each person should apply their own locks at the points of isolation.
    • One person should agree to take charge of the situation.
    • There should be a verbal agreement to check with each other before restoring the equipment to service.
    • They should leave the locking arrangements to the Master or Chief Engineer.

  3. Question 3

    If the equipment you are working on can move downwards under gravity, what should you do to keep safe? Select the ONE best answer.
    • Always work from above it.
    • Make sure that it is securely locked into position or properly supported.
    • Make sure that no-one can walk underneath it.
    • Only do the job when in port, so that the ship is not rolling.

  4. Question 4

    If the person that applied the lock and tag out to a system is not available, what should be done when work is completed? Select the ONE best answer.
    • Anyone who has been involved in the work can remove them.
    • Follow the on board procedure for such an event.
    • Leave them in place till the original person is available.
    • The Chief Engineer or Chief Mate will remove them.

  5. Question 5

    If there is a powerful spring inside the equipment that you are working on, what are the two alternative ways to stay safe? Select the TWO correct answers.
    • Fit a locking or latching device to prevent the spring from being released.
    • Just take care to keep your fingers out of the way from moving parts.
    • Poke around with a screwdriver, and if nothing moves it is safe to work on the equipment.
    • Make sure the spring tension is released before working on the equipment.

Preview — 5 of 10 questions

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

About this CBT test

Lockout Tagout is a CBT test with 10 questions and verified answers. Common topics include: equipment, work, out, lock, tag, safe, isolation, system.

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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