Electrical Generation Process Quiz PP2

What causes current to flow in the electrical generation process?

• The use of a transformer alone

• The electromotive force

• A decrease in voltage

• The rotation of the turbine

Which of the following is not a source of renewable energy?

• Solar

• Coal

• Wind

• Hydro/waves

What is the role of the generator in the diagram?

• To produce steam

• To supply DC current to the electromagnet

• To step up the voltage

• To consume electrical energy

According to the diagram, what is the voltage of electricity after it has been 'stepped up' by the transformer?

• 22,000 volts AC

• 275,000 volts AC

• 400,000 volts AC

• 500,000 volts AC

Why does electricity need to be transmitted at very high voltages?

• To increase the energy consumption

• To allow for easier distribution to homes

• To compensate for power loss through power lines

• To reduce the cost of electricity

What voltage is typically used for domestic dwellings?

• 400V

• 132kV

• 275kV

• 230V

What is the capacity of the high breaking capacity (HBC) fuse provided by the supplier?

• 50A

• 100A

• 150A

• 200A

What are the two conductors present in the supply cable as mentioned in the learning material?

• Live and Earth

• Neutral and Earth

• Live and Neutral

• Earth and Bonding

What is the purpose of the earth cable?

• To provide a high-voltage path for fault current

• To provide a zero-volt path for any potential fault current to flow to earth

• To prevent the flow of electricity altogether

• To increase the potential of fault currents

What is another name for the earth cable?

• Conductive connector

• Protective insulator

• Protective conductor

• Voltage regulator