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CD0183. Electrical safety

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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 — CD0183. Electrical safety” contains 38 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

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What should be your first action if you see someone receiving an electric shock?

One correct answer

  • Turn off the electrical supply or get the victim clear of any live electrical conductors.✓ Correct answer
  • Check the victim's pulse.
  • Check the victim's breathing.
  • Grab hold of the victim to prevent them falling.
Which one of the following statements defines what we mean by a 'hazardous area'?

One correct answer

  • An area where a flammable gas atmosphere is, or may be, expected to be present.✓ Correct answer
  • An area where work or operations mean that it is dangerous to enter.
  • An area that should be kept off limits to passengers.
  • Any compartment containing electrical equipment operating above 110 Volts.
Which one of the following statements best describes which voltage level can be considered as "safe?"

One correct answer

  • Below 50 Volts is generally considered safe as regards electric shock, but lower voltages still present some risks.✓ Correct answer
  • Below 12 Volts is considered completely safe.
  • Below 110 Volts is considered completely safe, apart from in hazardous areas.
  • Below 24 Volts is considered completely safe, apart from in hazardous areas.
With regard to work on electrical equipment, why is the use of multimeters not recommended for proving equipment dead?

One correct answer

  • It is too easy to have them on the wrong measurement scale, and in some cases this can also be dangerous.✓ Correct answer
  • Only analogue instruments should be used, and multimeters tend to be digital devices.
  • Multimeters can give incorrect readings if the batteries are nearly used up.
  • Multimeters tend to be less accurate.
Which one of the following statements most accurately defines the term 'portable electrical equipment?'

One correct answer

  • Electrical equipment that is connected to the supply by a cable through a plug and socket.✓ Correct answer
  • Electrical equipment that can be lifted by one person.
  • Electrical equipment that can be carried by two persons.
  • Electrical equipment that can operate on dual voltage supplies.

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