ELECTRICITY TRANSMISSION

How is electrical energy generated in a typical power plant?

• A. Chemical energy is directly converted to electricity

• B. Thermal energy from fuel heats water to produce steam that rotates a turbine connected to a generator

• C. Electrical energy is stored in batteries and then distributed

  D. Solar panels convert

• D. Solar panels convert sunlight into electricity

2. What is the primary role of the generator in a power plant?

• A. To convert mechanical energy into electrical energy

• B. To increase voltage levels

• C. To store electrical energy

• D. To regulate current flow

3. Which type of power plant uses the energy of moving water to generate electricity?

• A. Geothermal

• B. Hydroelectric

• C. Wind

• D. Nuclear

4. What is the function of a step-up transformer in the electrical grid?

• A. To decrease voltage for safe household use

• B. To store electricity

• C. To increase voltage for efficient long-distance transmission

• D. To convert AC to DC

5. Why is electricity transmitted at high voltages over long distances?

• A. It reduces energy loss due to resistance

• B. It makes the transmission cables lighter

• C. It reduces the overall cost of electricity generation

• D. It simplifies the design of substations

6. What role does a neighborhood transformer play in the distribution system?

• A. It further increases the voltage

• B. It stores excess electrical energy

• C. It steps down the voltage for distribution to homes

• D. It converts DC into AC

7. Which component is responsible for reducing the voltage immediately before it enters a home?

• A. Step-up transformer

• B. Substation

• C. Pole transformer

• D. Generator

8. How do renewable energy sources like wind and solar impact the environment compared to non-renewable sources?

• A. They produce more pollution

• B. They are more sustainable and generate less pollution

• C. They are less efficient in electricity generation

• D. They are more expensive to build and maintain

9. What is one of the challenges modern power grids face?

• A. Too much electricity production

• B. Inefficient energy storage and integration of variable renewable sources

• C. Overabundance of substations

• D. Lack of consumer demand

10. Which strategy is suggested to overcome challenges in modern power grids?

• A. Increasing reliance on fossil fuels

• B. Implementing smart grid technologies and energy efficiency measures

• C. Eliminating renewable energy sources

• D. Reducing the number of substations