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Terms in this set (33)
Replacing incandescent bulbs with LEDs
Which is an energy efficiency improvement?
can be managed using a tiered rate system
Peak Demand
$117
if an Energy star fridge costs 2 cents less per hour to run, and if it runs for 16 hrs a day, how much will it save in a year?
windows on the northern wall
Which is NOT used in sustainable design in North America?
biomass
Which energy source is NOT nondepletable?
charcoal
Which is not a form of biomass?
I and II only
A hydroelectric power plant's rate of electricity generation depends on
I. The flow rate of the water.
II. The vertical distance the water falls
III. The amount of water behind the dam
Indoor air pollution from them results in millions of death annually
Which is true of solid biofuels?
switchgrass
Celluslosic ethanol is produced from
water impoundment
The most common method of hydroelectric generation is
solar ovens
Which is an application of passive solar energy?
25 percent
On average, what percentage of time does a land based wind turbine generate electricity?
it cannot be used for cooling
All of the following are true about geothermal energy except
a battery
a hydrogen fuel cell is most similar to
they do produce electricty cheaply
Which is NOT a benefit of solar energy systems?
they create more carbon monoxide than fossil fuels
Which of the following is NOT a disadvantage of liquid biofuels?
I, II, and III
Which aspects of renewable energy electricity generation require updating the
electricity transmission grid?
I. Electricty generators are located in numerous, remote locations.
II. There is aneed to transport electricity long distances.
III. There are shortage problems due to the unpredicatable nature of some renewables.
have the potential to provide a cheap way to store electricity
The smart grid does NOT
wind
Which renewable energy source has become cost-competitive with fossil fuels?
decreased government subsidies
Which will not increase adoption of renewable technologies?
nuclear energy
Which of the following is NOT an example of a potentially renewable or nondepletable energy source?
those that are, or can be, perpetually available
Renewable energy sources are best described as
building materials with low thermal mass
An energy efficient building might include all of the following except
tides
Which source of energy is NOT (ultimately) solar based?
I and III
Which of the following demonstrates the use of passive solar energy?
I. a south facing room with stone walls and floors
II. photovoltaic solar cells for the generation of electricity
III. A solar oven
the annual energy output of model 1 can exceed 6,000 kWh
A study of small wind turbines in the Netherlands tested the energy output of several models. The reuslts for two models are shown in the graphs below. Which statement can be inferred from these data?
biomass and hydroelectricty
The primary source of renewable energy in the US are
I and II
The environmental impacts of cutting down a forest to obtain wood as fuel for
heating and cooking could include:
I. deforestation and subsequent soil erosion
II. release of particulate matter into the air
III. a large net rise in atomospheric concentrations of sulfur dioxide
fossil fuels continue to be the major energy source for all sectors
Which statement best describes the sources of energy in US energy consumption patterns?
electricty generation is the largest end use of energy in the US
Which best describes US energy use?
its largest contribution is to the electricity sector
Which statement best describes the role of renewable energy in the US
E-85
What is the fuel source for a flex-fuel vehicle?
II and III
In order to best achieve energy sustianability, humans must consider which of the following strategies?
I. building large, centralized power plants
II. improving energy efficiency
III. developing new energy technologies
Principles of Corporate Finance
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