Considering the site and situation of the city or region in which you live, what future energy alternatives are best suited to your location?
What will be an ideal response?
Answer: Varies but should speak to Hydroelectric, Biomass, Wind, Solar or Geothermal energy sources.
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Calculate the heat transfer rate through a 12-ft2 window with U = 0.2 ./0 1·3/4·°F . The indoor and outdoor temperatures are 68oF and 10oF, respectively. Compare the results of this exercise with results of Problem 5.10. How much energy will be saved if three windows with U = 0.8 ./0 1·3/4·°F are replaced with three windows with U = 0.2 ./0 1·3/4·°F for a home in a location with annual degree-days of 6,200?
What will be an ideal response?
In the winter Vermonters make a tasty treat called "sugar on snow" in which they pour boiled-down maple syrup onto a scoop of clean fresh snow. As the syrup hits the snow, it forms a delicious taffy. Which of the following changes are involved in the making of sugar on snow?
A. Boiling down the maple syrup involves the evaporation of water. B. As the maple syrup is boiled, the sugar within the syrup begins to caramelize, which is an example of a chemical change. C. The syrup warms the snow causing it to melt, while the syrup becomes more viscous. D. All of the above changes are involved in the making of sugar on snow.
Anticyclones
A) are relatively unaffected by upper-level conditions. B) are only occasionally affected by upper-level conditions. C) are strongly affected by upper-level conditions.
________ is a dry climate not generally found in the Southern Hemisphere
A) Tropical hot desert B) Midlatitude cold steppe C) Subtropical hot steppe D) Subtropical hot desert E) Midlatitude cold desert