Tuesday, March 22, 2016

Energy Consumption Reading Questions

How does the concentration of energy in a source affect how people can use energy? (198)

The concentration of energy in a source determines how much energy people can extract from said source. For example, if a particular source has a high concentration of energy, then it will produce more energy than another source with a lower concentration.

How do the United States, China, and Kenya compare in total energy consumption? In per capita energy consumption? (198)

In 2008, the United States consumed one-hundred and five billion gigajoules of energy (22% of the global total), China consumed ninety billion gigajoules of energy (17% of the global total), and Kenya consumed twenty-two million gigajoules (0.04% of the global total). The United States consumes the most energy per capita at approximately fifty-six gigajoules per person per year. That’s roughly six times the amount consumed by the average person living in China and sixty times the amount consumed by the average person in Kenya.


How can the same energy service be provided with less energy for lighting? For transportation? (205)

The same energy service can be provided with less energy for lighting by using more-efficient light bulbs such as CFLs or LEDs in lieu of incandescents. Likewise, in terms of transportation, less energy can be used by operating more efficient vehicles with either better gas mileage or driving hybrids.



When does conservation reduce quality of life? Improve quality of life? (205)

Conservation can reduce quality of life when buildings lower their temperature in colder weather and raise their temperature in warmer weather in an attempt to conserve energy; one can argue it makes those who inhabit the building uncomfortable. Conservation can be enjoyable when participating in carpools, driving more-efficient vehicles, or living in energy-efficient homes.


Image 1: http://www.hoax-slayer.com/images/mobile-phone-death-boy-px.jpg
Image 2: http://green-mom.com/wp-content/uploads/2013/11/led-lights1.gif
Image 3: https://www.brown.edu/about/administration/transportation/sites/brown.edu.about.administration.transportation/files/images/carpool.jpg

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