Ch 5 EPO460 Part 5a Quiz

Why must electricity be generated continuously?

• It is expensive to store

• It is non-renewable

• It cannot be stored in bulk form

• It loses power quickly

Which of the following is the most polluting energy source?

• Water

• Coal

• Natural gas

• Nuclear

What causes continuous increase in power demand?

• Ageing population

• Higher education level

• More technology

• Population growth and industrial expansion

What is a main disadvantage of using natural gas?

• High emission

• Difficult to store

• Hard to transport over long distances

• Expensive fuel

Why are renewable energy sources still limited in use?

• No government support

• Not enough researchers

• Too many safety issues

• Not economical yet

Which of the following is not part of a power system?

• Generation

• Lighting

• Transmission

• Distribution

What is the typical voltage range of generated power at stations?

• 220V-415V

• 132kV-500kV

• 11kV-25kV

• 3.3kV-33kV

What is the role of a base-power station?

• Operate during peak hours

• Provide backup power

• Supply power continuously 24/7

• Supply power only in emergencies

What is a disadvantage of peak-power stations?

• They are very reliable

• They cost less to run

• They cannot start quickly

• They have high operating costs

Which type of power station is suitable for handling quick demand changes?

• Base-power

• Intermediate-power

• Nuclear

• Renewable