• 1. 
    Which two of these generate electricity?

  • Photo-voltaic
  • hydro
  • Vehicles/p>
  • Both A & B
  • 2. 
    The electricity supply industry comprises which three?

  • Generation
  • Transmission
  • Distribution
  • All of above
  • 3. 
    Which two are a part of the electrical distribution network?

  • Power stations
  • Transformers
  • national grid
  • Both A & B
  • 4. 
    Which two of these are space heating?

  • convection - Air movement
  • underfloor heating
  • boiler
  • Both A & B
  • 5. 
    Which transmission voltage is incorrect?

  • 224Kv
  • 400Kv
  • 275Kv
  • 132Kv
  • 6. 
    Is an intruder alarm open or closed?

  • closed
  • open
  • 7. 
    Which three are biomass?

  • landfill gases
  • wood
  • crops
  • All of above
  • 8. 
    Which distribution voltage is incorrect?

  • 11Kv
  • 33Kv
  • 66Kv
  • 400/230Kv
  • 9. 
    Which two are an advantage of steel trunking?

  • it can accommodate many cables and sizes.
  • It affords conductors good mechanical protection
  • the cost
  • Both A & B
  • 10. 
    Is a fire alarm a closed or open circuit?

  • closed
  • open
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