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Working with High Voltage

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About this collection

MINTRA CET includes short topic-based sets such as incident investigation, accommodation safety, anchoring operations and firefighting. Study an individual module, then review your mistakes in your account.

“MINTRA CET — Working with High Voltage” contains 38 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.

What do the different categories of insulated gloves determine?

One correct answer

  • The voltages they may be used with.✓ Correct answer
  • Which external influences (such as acid or low temperature for example) they may be used.
  • How durable the gloves are.
Which of the following statements about earthing sticks is true?

One correct answer

  • An earthing stick is an insulated rod that can be used to attach phase clamps to the part of the installation that is to be earthed and short-circuited.✓ Correct answer
  • An earthing stick can be used within the live working zone and can come into direct contact with live parts.
  • An earthing stick can be used as a hot stick.
What is the first thing you must do when removing safety measures?

One correct answer

  • Notify the work team that the job has been completed and no further work is allowed.✓ Correct answer
  • Leave the work location.
  • Remove obstacles to re-energising.
What does the class of an electrically insulated helmet determine?

One correct answer

  • The test voltage that the helmet tolerates and the nominal voltage at which it can be used.✓ Correct answer
  • It’s size.
  • I) When it must be replaced.
Can the “Dead working” method be applied if there is a danger of coming into contact with live parts?

One correct answer

  • Yes, but only if the live parts can be de-energised and protected against accidental re-energising or shrouded.✓ Correct answer
  • No, in such cases we must always choose an alternative working method.

Before you start

Do I need to register to start?

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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.