Practice Saving Strategies (4.1) - Chapter 4 : Energy

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6 sample questions

Question 1.
What energy-saving method can you use at home?
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Think about lighting in your home.
Question 2.
Why is it beneficial to use electric vehicles?
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Consider their energy source.
3Question 3.
Which of the following is an energy-efficient lighting option?
- Halogen Bulb
- Incandescent Bulb
- LED Bulb
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Think about the most modern energy-saving options.
4Question 4.
True or False: Electric vehicles rely solely on fossil fuels for power.
- True
- False
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Consider what powers electric vehicles.
Question 5.
Calculate the annual savings in electricity costs if a household switches from incandescent bulbs to LED bulbs. Assume the household has 10 bulbs, each used for 5 hours a day, with LED bulbs consuming 10W and incandescent bulbs consuming 60W.
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Calculate energy consumed by both types and convert to cost using local rates.
Question 6.
Propose a comprehensive energy conservation strategy for a small factory. Consider current energy use and recommend renewable energy sources.
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Identify what energy is currently used and how it can be replaced with renewables.

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