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Questions and Answers
Which of the following is the most effective way of saving household energy?
Which of the following is the most effective way of saving household energy?
- Building houses with extra thick superinsulated walls
- Utilizing straw-bale construction
- Reducing air infiltration (correct)
- Using air-to-air heat exchangers
According to new national standards, how much less water will new washing machines have to use in 2007?
According to new national standards, how much less water will new washing machines have to use in 2007?
- 30%
- 25%
- 35% (correct)
- 40%
What is the measure of energy produced compared to energy consumed?
What is the measure of energy produced compared to energy consumed?
- Thermal Conversion Efficiency
- Cogeneration
- Energy Efficiency (correct)
- Utilization Efficiencies
Which of the following methods can tap solar energy?
Which of the following methods can tap solar energy?
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What is the maximum percentage of energy that thermal conversion machines can turn?
What is the maximum percentage of energy that thermal conversion machines can turn?
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