Back to quiz

6. If you only have a mains voltage (230 V) hand drill and you want to use it on a construction site which only has yellow (110 V) socket-outlets, what should you do?

  • C - Obtain a 110 V drill or a cordless one for the work
  • D -Make up an extension cable with a yellow plug on one end and a standard socket on the other end
  • A - Use a transformer to boost the voltage
  • B - Cut the plug off and fit a yellow one instead

7. What is the preferred nominal voltage for local lighting up to 2 KW on construction sites?

  • D - 230 volts
  • A - 55 volts
  • B - 110 volts
  • C - 400 volts

8. What is the preferred nominal voltage for portable hand tools on construction sites?

  • C - 110 volts
  • A - 12 volts
  • B - 24 volts`
  • D - 230 volts

9. If an electric drill gives off blue smoke from the motor, you should...

  • C - Switch it off and report it
  • A - Pour water over it
  • B - Use a CO2 extinguisher
  • D - Stop work for 30 minutes

10. Any damaged equipment must be...

  • C - Labelled as damaged before use
  • A - Reported to your supervisor
  • B - Thrown away immediately
  • D - Locked up so no one can use it

11. What is the preferred nominal voltage for portable hand lamp for general use on construction sites?

  • D - 400 volts
  • A - 110 volts
  • C - 230 volts
  • B - 150 volts

12. How often should user (visual) checks be carried out on portable electrical equipment?

  • C - Once a week
  • A - Every time you use it
  • B - Every day
  • D - At least once a year

13. The electric drill you are about to use has a faulty on/off switch. What action should you take?

  • D - Tape the switch on to keep it running and carry on working
  • A - Try and fix the fault
  • C - Stop work and inform your supervisor
  • B - Find another machine and carry on working

14. What do the letters SWL stand for?

  • D - Safe working load
  • A - Safe working level
  • B - Satisfactory weight limit
  • C - Satisfactory working limit

15. Hand and power tools must be...

  • B - Made available when needed
  • D - Suitable for the task and regularly inspected
  • A - The best that you can buy
  • C - In the company's colours

16. When should visual checks of portable hand-held equipment be made by the user?

  • C - Weekly
  • A - When a replacement is neede
  • D - Each time it is used
  • B - Monthly

17. The power hand tool you are about to use has burn marks visible on the cable. What should you do?

  • B - Tell your supervisor about the defect and do not use the tool
  • A - Tape over the affected area and continue
  • C - Obtain another machine and carry on, but don't tell anyone
  • D - Carry on and get the job done

18. What hazard is created when the head of a cold chisel 'mushrooms'?

  • B - Softens the impact
  • D - Damage to the hammer head
  • C - Flying steel splinters
  • A - Reduced striking area

19. When using an extension cable reel, which of the following statements is correct?

  • B - Uncoil it fully
  • C - Do not exceed the reeled or unreeled rating as appropriate
  • A - Leave as much as possible coiled up on the reel
  • D - Only uncoil what you need

20. fragile panels with a strong material and secure the covers to stop them being dislodged

  • C - Try to make an improvised guard of yourself
  • D - Contact the manufacturer of the tool
  • B - Inform your supervisor that the tool is unsafe and that the guard must be replaced before it is used
  • A - Use the tool anyway, you haven't had an accident with it before