IG MARITIMEMade by Seafarers for Seafarers

All international training tests on IG MARITIME are free for every seafarer. Register once to save your progress and prepare for your next voyage without limits!

CD0420. Lockout Tagout

Search this section

Choose a question set and start learning or take an exam.

About this collection

The Seagull CBT bank is organised into modules covering safety, shipboard operations, maintenance and other topics. Original module names and codes are retained to help you find the topic you need.

“Seagull CBT — CD0420. Lockout Tagout” contains 10 questions across 1 collection.

Learning

Learning mode has no timer. After answering, you see feedback and the correct options. You can return to a question and repeat a topic.

Exam

A practice exam lasts up to 60 minutes and includes up to 50 questions from the selected collection. Correct answers and results appear after completion.

Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

You are going to work on equipment that has been isolated, but which was previously pressurised or full of fluid. Which TWO of these precautions should be followed? Select the TWO best answers.

Multiple correct answers

  • Use any drain and vent valves fitted, checking that they are clear.✓ Correct answer
  • Loosen the bolts at off flanges but leaving the nuts on. Then just break the joint at the flange.✓ Correct answer
  • Give the isolating valves extra force with a wheel key.
  • Fully open a flange at the top of the equipment first.
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.

One correct answer

  • Each person should apply their own locks at the points of isolation.✓ Correct answer
  • There should be a verbal agreement to check with each other before restoring the equipment to service.
  • One person should agree to take charge of the situation.
  • They should leave the locking arrangements to the Master or Chief Engineer.
If the equipment you are working on can move downwards under gravity, what should you do to keep safe? Select the ONE best answer.

One correct answer

  • Make sure that it is securely locked into position or properly supported.✓ Correct answer
  • Always work from above it.
  • Make sure that no-one can walk underneath it.
  • Only do the job when in port, so that the ship is not rolling.
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.

One correct answer

  • Follow the on board procedure for such an event.✓ Correct answer
  • The Chief Engineer or Chief Mate will remove them.
  • Anyone who has been involved in the work can remove them.
  • Leave them in place till the original person is available.
You have been working on electrical, pneumatic or hydraulic equipment. What should be done about the controls for the equipment before re-energising it? Select the ONE correct answer.

One correct answer

  • The controls should be put into a safe position, usually the ‘off’ position.✓ Correct answer
  • The controls should be checked to make sure they are in the same position they were when the work started.
  • Nothing needs to be checked, the equipment is not likely to start.
  • The controls should be placed to the ‘on’ position.

Before you start

Do I need to register to start?

Guest access lasts 23 minutes. Free registration lets you continue without limits, save progress and review mistakes in your account.

What language are the questions in?

Questions and answer options retain the language of the original bank. You can change the interface language separately.

Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.