Other questions in this quiz

2. How would you work out the cost of energy?

  • cost = number of kWh (multiplied by) cost per kWh
  • cost = number of kWh (multiplied by) rate of kWh
  • cost = number of kWh (multiplied by) cost per kW

3. What are sankey diagrams?

  • energy transformation diagrams
  • diagrams used to measure the cost of a machine/appliance

4. true of false: some energy is always lost?

  • false-it's all converted into different forms
  • true- some is useful energy and the rest is lost energy

5. If something supplies energy it also supplies what?

  • heat
  • energy
  • water
  • power

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