CH10 - Energy Efficiency and Renewable Energy Resources

A building design can save energy and money by

• a. using superinsulation, green roofs, and natural light.
• b. setting thermostats high in the winter, and using superinsulation and green roofs.
• c. utilizing natural lighting, reducing insulation, and green roofs.
• d. setting thermostats low in the summer, recycling wastewater, and using superinsulation.
• e. using green roofs, setting thermostats high in the winter, and utilizing natural light.

Active solar heating systems involve

• a. green roofs.
• b. pumping a heat-absorbing fluid through collectors on the roof.
• c. wind turbines with solar panels attached.
• d. foil sheets under the floor.
• e. adobe walls and windows that face the sun and store the collected solar energy.

Almost half of the commercial energy available for use in the U.S. is wasted due to inefficiencies in devices and processes used

• a. True
• b. False

Cars can be more fuel efficient by utilizing ultralight and ultrastrong materials in their design

• a. True
• b. False

Cells that convert solar energy directly into electricity are called

• a. electrosolar chips.
• b. photovoltaic cells.
• c. helioelectric units.
• d. photoelectric cells.
• e. solarelectric cells.

Converting plant sugars into simple sugars creates which biofuel?

• a. Ethanol
• b. Methane
• c. Propane
• d. Ethane
• e. Butane

Energy efficiency measures are applied only to new construction projects as it is too costly to apply energy efficiency measures to existing structures

• a. True
• b. False

Ethanol is a controversial biofuel because it is still unclear how much carbon dioxide is emitted during the production and burning of ethanol compared to conventional gasoline

• a. True
• b. False

Ethanol production has resulted in

• a. decreased water usage.
• b. increased transportation emissions.
• c. decreased the number of malnourished people.
• d. decreased prices for corn-based food products.
• e. increased prices for corn-based food products.

Geothermal energy can be used for which of the following?

• a. heating space, producing electricity, and cooling space
• b. producing electricity, transportation fuel, and heating space
• c. transportation fuel, producing high-temperature heat for industry, and heating space
• d. producing high-temperature heat for industry, cooling space, and transportation
• e. heating space, transportation fuel, and cooling space