ECS - Electrotechnical

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  • Created by: jayboylan
  • Created on: 01-12-19 15:54

1. Which of the following should be used to prove a circuit or equipment is dead after isolation?

  • C - A voltage stick
  • D - A multimeter
  • B - A proprietary test lamp or two-pole voltage
  • A - A lamp holder with a length of flex attached
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Other questions in this quiz

2. Which of the following would you use to replace the fuse in a plug if fuses were NOT available?

  • D - None of the options listed
  • C - A bit of wire
  • A - A nail
  • B - A piece of silver paper

3. Which of the following procedures should be used when more than one person will be working on circuits supplied from a distribution board which has been switched off?

  • C - Giving each operative a volt stick
  • D - Telling everyone what time the power will be switched on again
  • A - The use of a multi-lock hasp on the isolator with a padlock for each operative
  • B - Blowing a horn before the power is switched on again

4. When is live working permissable?

  • D - When the wrong person working on the equipment is wearing rubber gloves
  • B - When it is unreasonable in all circumstances for the equipment to be made dead and suitable precautions are taken
  • C - When the means of isolation cannot be identified
  • A - When the person carrying out the work is a competent person

5. Why should the end of an optical fibre cable never be pointed towards your own or anyone else's eyes?

  • C - The beam can bore a hole through the skin
  • D - The beam can damage the eyes
  • B - The colour of the beam is very hypnotic
  • A - The beam can transfer a strong electric current

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