PPT 28 Supply & Distribution Systems

Open Ended

Why is it important to understand the different sources of electricity supply and distribution systems in modern society?

Multiple Choice

Which of the following energy sources is NOT commonly used to generate electricity?

• Nuclear

• Solar power

• Wind energy

• Ground source heat pumps

Open Ended

Explain the main differences between primary cells and secondary cells in terms of their construction and usage.

Multiple Choice

Which of the following statements best describes the difference between a cell and a battery?

• A cell is a single unit with two plates, while a battery is many cells in series.

• A battery is a single unit with two plates, while a cell is many batteries in series.

• A cell stores more electricity than a battery.

• A battery cannot be recharged, while a cell can always be recharged.

Multiple Select

Which of the following are features of solar thermal power systems?

• Heats water

• Produces electricity

• Uses closed loop circulation system

• Water pipes exposed to sun

Multiple Choice

Which of the following statements about micro-hydro systems is correct?

• Micro-hydro systems use water from a dam and drive an AC generator.

• Micro-hydro systems require a drop and are piped to a turbine/generator.

• Micro-hydro systems do not require permission to use a pond or river.

• Micro-hydro systems produce more than 1000 kW.

Open Ended

How could the uptake of combined heat and power systems in the UK be improved?

Multiple Choice

What is the main advantage of using combined heat and power systems in power stations?

• It increases the efficiency of power stations to over 90%.

• It reduces the production of electricity.

• It eliminates waste gas completely.

• It makes power stations cheaper to build.

Open Ended

Reflecting on what you have learned about supply and distribution systems, what questions do you still have or what would you like to know more about regarding alternative energy sources?

Multiple Choice

Which of the following is NOT listed as an alternative energy source for generating electricity?

• Nuclear

• Hydro-electric

• Natural gas

• Wave energy