Question 1

Automobiles with fuel cells can be more flexibly designed because they

Accepted Answer

A) do not have wheels. 
B) have to be so large that there is extra room for passengers and accessories. 
C) do not have an engine fuel combustion compartment. 
D) do not have to be aerodynamically constructed to get better fuel mileage. 
A) do not have wheels. 
B) have to be so large that there is extra room for passengers and accessories. 
C) do not have an engine fuel combustion compartment. 
D) do not have to be aerodynamically constructed to get better fuel mileage.

Question 2

The generation of alternate fuels from manure and sawdust

Accepted Answer

A) increases our consumption of fossil fuels. 
B) reduces costs to a company by using waste products. 
C) increases the production of commercial waste products. 
D) eliminates the production and release of carbon dioxide into the atmosphere. 
A) increases our consumption of fossil fuels. 
B) reduces costs to a company by using waste products. 
C) increases the production of commercial waste products. 
D) eliminates the production and release of carbon dioxide into the atmosphere.

Question 3

You are out camping in a remote region away from all civilization.The next day,you plan to hike around and return to camp before dusk.Your friends suggest that after hiking,you might want to enjoy a warm shower.They suggest that before you head out in the morning,you should suspend a strong,black cloth bag full of about 5 gallons of water,so that it sits in sunshine all day.When you return,the water should be warm,and you can enjoy a luxury because of good planning.It works and you are delighted and refreshed! The process that you used to get a warm shower illustrates

Accepted Answer

A) passive solar heating. 
B) active solar heating. 
C) solar space heating. 
D) flat-plate collection. 
A) passive solar heating. 
B) active solar heating. 
C) solar space heating. 
D) flat-plate collection.

Question 4

Although they have tremendous advantages,wind turbines

Accepted Answer

A) cause thousands of bird deaths each year. 
B) are known to dry out the soil in the surrounding region. 
C) make the surrounding region unsuitable for farming or ranching. 
D) generate greenhouse gases when producing electricity. 
A) cause thousands of bird deaths each year. 
B) are known to dry out the soil in the surrounding region. 
C) make the surrounding region unsuitable for farming or ranching. 
D) generate greenhouse gases when producing electricity.

Question 5

The economics of solar electricity are

Accepted Answer

A) bleak because there is a large gap between the price of energy from coal and from PV cells. 
B) excellent for CSP technology but discouraging for PV cells. 
C) growing at phenomenal rate as prices for PV cells continue to drop by 5% per year. 
D) less promising because the costs of ecosystem damage and pollution are not counted. 
A) bleak because there is a large gap between the price of energy from coal and from PV cells. 
B) excellent for CSP technology but discouraging for PV cells. 
C) growing at phenomenal rate as prices for PV cells continue to drop by 5% per year. 
D) less promising because the costs of ecosystem damage and pollution are not counted.

Question 6

Solar thermal systems would be least expensive to build and most effective to heat

Accepted Answer

A) a cabin in Alaska in the winter. 
B) a swimming pool in Arizona in the winter. 
C) a home in South Dakota in the fall. 
D) water in a home in Oregon in the spring. 
A) a cabin in Alaska in the winter. 
B) a swimming pool in Arizona in the winter. 
C) a home in South Dakota in the fall. 
D) water in a home in Oregon in the spring.

Question 7

Over the past two decades the consumptive use of fuelwood has

Accepted Answer

A) increased and is causing a worsening problem of deforestation and erosion. 
B) declined as developing nations use charcoal and fossil fuels and has become less of a threat to ecosystem sustainability. 
C) become a major industry in the United States especially in urban areas,replacing fossil fuels in many regions. 
D) shifted from productive to consumptive use. 
A) increased and is causing a worsening problem of deforestation and erosion. 
B) declined as developing nations use charcoal and fossil fuels and has become less of a threat to ecosystem sustainability. 
C) become a major industry in the United States especially in urban areas,replacing fossil fuels in many regions. 
D) shifted from productive to consumptive use.

Question 8

Harnessing the energy of tides to generate electricity is different than the force moving the water in a hydroelectric power station at a dam because

Accepted Answer

A) tidal energy uses turbines and a dam uses generators. 
B) tidal energy ultimately relies on moon's gravity and hydroelectric power ultimately relies on the energy from the sun. 
C) tidal energy ultimately relies on ocean currents and hydroelectric power ultimately relies on the energy from the sun. 
D) tidal energy ultimately relies on the wind and hydroelectric power ultimately relies on the energy of rain. 
A) tidal energy uses turbines and a dam uses generators. 
B) tidal energy ultimately relies on moon's gravity and hydroelectric power ultimately relies on the energy from the sun. 
C) tidal energy ultimately relies on ocean currents and hydroelectric power ultimately relies on the energy from the sun. 
D) tidal energy ultimately relies on the wind and hydroelectric power ultimately relies on the energy of rain.

Question 9

New buildings that receive the energy star rating are recognized for

Accepted Answer

A) using solar or geothermal for at least 30% of the building's energy needs. 
B) using solar power for at least 50% of the building's energy needs. 
C) using wind power for at least 20% of the building's energy needs. 
D) using 40% less energy than other buildings in their class. 
A) using solar or geothermal for at least 30% of the building's energy needs. 
B) using solar power for at least 50% of the building's energy needs. 
C) using wind power for at least 20% of the building's energy needs. 
D) using 40% less energy than other buildings in their class.

Question 10

A power tower concentrates solar energy by

Accepted Answer

A) heating water in pipes that run along rows of mirrors. 
B) using one very large glass lens to focus sunlight. 
C) using a large field of mirrors to direct sunlight to a specific location. 
D) collecting light in a series of fiber optic cables directed to underground steam rooms. 
A) heating water in pipes that run along rows of mirrors. 
B) using one very large glass lens to focus sunlight. 
C) using a large field of mirrors to direct sunlight to a specific location. 
D) collecting light in a series of fiber optic cables directed to underground steam rooms.

Question 11

Solar space heating units tend to be less expensive than solar water heating units because

Accepted Answer

A) solar heating units can be passive and water heating units must be active. 
B) it takes longer to heat up air than water. 
C) because of its low density,it is usually cheaper to move air than water. 
D) solar space heating units can only be used near the equator. 
A) solar heating units can be passive and water heating units must be active. 
B) it takes longer to heat up air than water. 
C) because of its low density,it is usually cheaper to move air than water. 
D) solar space heating units can only be used near the equator.

Question 12

The most costly aspect of photovoltaic technology is being addressed by

Accepted Answer

A) inventing a way to convert alternating current to direct current. 
B) inventing a way to convert direct current to alternating current. 
C) finding a way to reduce the damaging effects of the sun on solar panels. 
D) new technologies that reduce the cost of manufacturing solar cells. 
A) inventing a way to convert alternating current to direct current. 
B) inventing a way to convert direct current to alternating current. 
C) finding a way to reduce the damaging effects of the sun on solar panels. 
D) new technologies that reduce the cost of manufacturing solar cells.

Question 13

Which one of the following is one of the most important components of concentrated solar power?

Accepted Answer

A) photovoltaic cells 
B) inertia 
C) wind turbines 
D) mirrors or reflectors 
A) photovoltaic cells 
B) inertia 
C) wind turbines 
D) mirrors or reflectors

Question 14

Compared to solar generated electricity,hydroelectric systems

Accepted Answer

A) are advantageous because they produce significantly less greenhouse gas. 
B) are advantageous because they run as well at night as during the day. 
C) do not last as long as most solar technologies. 
D) cannot produce as much electricity as solar technologies. 
A) are advantageous because they produce significantly less greenhouse gas. 
B) are advantageous because they run as well at night as during the day. 
C) do not last as long as most solar technologies. 
D) cannot produce as much electricity as solar technologies.

Question 15

Current photovoltaic technology uses sunlight to generate electricity

Accepted Answer

A) with a single structure in a single step. 
B) by heating up water and using microscopic hydroturbines. 
C) in the process of microfusion. 
D) while generating small amounts of methane for use as a fuel in other applications. 
A) with a single structure in a single step. 
B) by heating up water and using microscopic hydroturbines. 
C) in the process of microfusion. 
D) while generating small amounts of methane for use as a fuel in other applications.

Question 16

One of the least promising non-fossil fuel energy sources uses

Accepted Answer

A) wind power. 
B) biomass energy. 
C) geothermal energy. 
D) thermal-energy conversion in the oceans. 
A) wind power. 
B) biomass energy. 
C) geothermal energy. 
D) thermal-energy conversion in the oceans.

Question 17

Energy policies that promote the use of renewable-energy resources

Accepted Answer

A) and oil and gas exploration are the most promising ways to address global climate change. 
B) and efficiency will automatically reduce the generation of greenhouse gases. 
C) increase the demand for fossil fuels and require the importation of oil to most countries. 
D) hurt the poorest families and discourage economic growth in developing countries. 
A) and oil and gas exploration are the most promising ways to address global climate change. 
B) and efficiency will automatically reduce the generation of greenhouse gases. 
C) increase the demand for fossil fuels and require the importation of oil to most countries. 
D) hurt the poorest families and discourage economic growth in developing countries.

Question 18

If some current trends and energy strategies continue and succeed over the next few decades,in fifty years you might be able to say that you witnessed the shift from

Accepted Answer

A) an energy-consuming economy to an energy-producing economy. 
B) a wind-driven economy to a solar economy. 
C) an unsustainable fossil-fuel-driven economy to a sustainable hydrogen economy. 
D) a renewable energy- driven economy to a clean-burning natural gas economy. 
A) an energy-consuming economy to an energy-producing economy. 
B) a wind-driven economy to a solar economy. 
C) an unsustainable fossil-fuel-driven economy to a sustainable hydrogen economy. 
D) a renewable energy- driven economy to a clean-burning natural gas economy.

Question 19

Solar trough power generating plants are currently best suited for a place like

Accepted Answer

A) England 
B) Phoenix,Arizona. 
C) a montane tropical cloud forest. 
D) Seattle,Washington. 
A) England 
B) Phoenix,Arizona. 
C) a montane tropical cloud forest. 
D) Seattle,Washington.

Question 20

Renewable energy resources

Accepted Answer

A) currently supply 20% of the earth's electricity 
B) contribute only 70% as much greenhouse gases as fossil fuels 
C) have been largely ignored by the Obama administration 
D) are unsuitable for the economies of developing nations. 
A) currently supply 20% of the earth's electricity 
B) contribute only 70% as much greenhouse gases as fossil fuels 
C) have been largely ignored by the Obama administration 
D) are unsuitable for the economies of developing nations.

Exam 16: Renewable Energy

Automobiles with fuel cells can be more flexibly designed because they

The generation of alternate fuels from manure and sawdust

Although they have tremendous advantages,wind turbines

The economics of solar electricity are

Solar thermal systems would be least expensive to build and most effective to heat

Over the past two decades the consumptive use of fuelwood has

Harnessing the energy of tides to generate electricity is different than the force moving the water in a hydroelectric power station at a dam because

New buildings that receive the energy star rating are recognized for

A power tower concentrates solar energy by

Solar space heating units tend to be less expensive than solar water heating units because

The most costly aspect of photovoltaic technology is being addressed by

Which one of the following is one of the most important components of concentrated solar power?

Compared to solar generated electricity,hydroelectric systems

Current photovoltaic technology uses sunlight to generate electricity

One of the least promising non-fossil fuel energy sources uses

Energy policies that promote the use of renewable-energy resources

If some current trends and energy strategies continue and succeed over the next few decades,in fifty years you might be able to say that you witnessed the shift from

Solar trough power generating plants are currently best suited for a place like

Renewable energy resources

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