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CD8534. Electrical Exi installation

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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 — CD8534. Electrical Exi installation” contains 39 questions across 1 collection.

Learning

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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 is the Um value on a barrier?

One correct answer

  • The maximum voltage where the I.S. circuit is still protected✓ Correct answer
  • The maximum nominal Voltage
  • The maximum output Voltage from the barrier
Can we use a circuit for gas group IIC in an environment with IIA gas?

One correct answer

  • Yes✓ Correct answer
  • No
  • Only if the level of protection is ‘ia’
Which of the concepts offers the highest level of protection?

One correct answer

  • Ex ‘ia’✓ Correct answer
  • Ex ‘ib’
  • Ex ‘ic’
  • Ex ‘nL’
What is the minimum clearance distance between I.S. circuits and Non-I.S. circuits?

One correct answer

  • 50mm✓ Correct answer
  • 6mm
  • 3mm
  • 20mm
Of the following, what can be defined as simple apparatus in an I.S. loop?

One correct answer

  • Junction boxes and plugs✓ Correct answer
  • Only junction boxes
  • Only plugs
  • Transmitters working at maximum 24VDC and 0-25mA

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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.