Question 1

____________________ provides greater conversion efficiencies than traditional generation methods because two useful forms of energy are produced from the same fuel source.

Accepted Answer

The answer of ____________________ provides greater conversion efficiencies than traditional...

Question 2

Hydrogen may be a future energy source to power vehicles.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following are renewable energy resources?

Accepted Answer

A) The sun, the earth's internal heat, and the wind 
B) The wind, petroleum, and water 
C) Natural gas, the earth's internal heat, and the wind 
D) The earth's internal heat, water, and petroleum 
E) Water, natural gas, and petroleum

Question 4

We can make energy use more sustainable by using energy more efficiently and relying on a mix of renewable energy sources.

Accepted Answer

A) True 
 B)False

Question 5

Hydropower can only be generated in large-scale facilities that alter a stream's course.

Accepted Answer

A) True 
 B)False

Question 6

What is the leading source of renewable energy worldwide?

Accepted Answer

A) hydropower 
B) geothermal energy 
C) solar-cells 
D) biomass 
E) biodiesel

Question 7

Smart electrical grids

Accepted Answer

A) involve a two-way flow of energy and information between producers and users of electricity. 
B) are not energy efficient. 
C) are not commonly used because they are large investments with minimal returns. 
D) involve a one-way transmission of energy between producers and users of electricity. 
E) are an energy efficient substitute for major household appliances.

Question 8

Critical Thinking
 
-According to the accompanying diagram, what percentage of U.S. commercial energy is converted to a useful form or material?

Accepted Answer

The answer of Critical Thinking
 
-According to the accompanying diagram,...

Question 9

Ethanol production has resulted in

Accepted Answer

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.

Question 10

Geothermal energy can be used for which of the following?

Accepted Answer

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 fuel 
E) heating space, transportation fuel, and cooling space

Question 11

______________________ consists of animal wastes, dead trees, yard clippings, bark, and algae that can be converted to fuel.

Accepted Answer

The answer of ______________________ consists of animal wastes, dead trees,...

Question 12

The best alternative to gasoline and the best way to move forward in technology for powering vehicles is

Accepted Answer

A) diesel. 
B) ethanol. 
C) increasing fuel-efficiency standards. 
D) electric hybrids. 
E) biodiesel.

Question 13

Converting plant sugars into simple sugars creates which biofuel?

Accepted Answer

A) ethanol 
B) methane 
C) propane 
D) ethane 
E) butane

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Critical Thinking
 
-According to the accompanying diagram, what total percentage of U.S. commercial energy is wasted?

Accepted Answer

The answer of Critical Thinking
 
-According to the accompanying diagram,...

Question 16

What percent of all commercial energy used in the United States is wasted?

Accepted Answer

A) 0%. 
B) 18% 
C) 43% 
D) 84% 
E) 100%

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

Which group is most likely to support large-scale funding of hydrogen research?

Accepted Answer

A) electric utilities 
B) sustainable developers 
C) fossil-fuel companies 
D) automobile manufacturers 
E) heating and air-conditioning manufacturers

Question 19

Wind power is expected to grow

Accepted Answer

A) offshore because of stronger and steadier wind speeds. 
B) on land because of stronger and steadier wind speeds. 
C) in the United States due to increasing wind speeds from climate change. 
D) offshore because coastal residents enjoy the appearance of them. 
E) on land because there is low noise.

Question 20

Which of the following has traditionally received most of the United States government's energy subsidies?

Accepted Answer

A) fossil fuels and nuclear power 
B) solar energy and wind power 
C) wind power only 
D) hydropower 
E) hybrid cars

Exam 10: Energy Efficiency and Renewable Energy

____________________ provides greater conversion efficiencies than traditional generation methods because two useful forms of energy are produced from the same fuel source.

Hydrogen may be a future energy source to power vehicles.

Which of the following are renewable energy resources?

We can make energy use more sustainable by using energy more efficiently and relying on a mix of renewable energy sources.

Hydropower can only be generated in large-scale facilities that alter a stream's course.

What is the leading source of renewable energy worldwide?

Smart electrical grids

Critical Thinking -According to the accompanying diagram, what percentage of U.S. commercial energy is converted to a useful form or material?

Ethanol production has resulted in

Geothermal energy can be used for which of the following?

______________________ consists of animal wastes, dead trees, yard clippings, bark, and algae that can be converted to fuel.

The best alternative to gasoline and the best way to move forward in technology for powering vehicles is

Converting plant sugars into simple sugars creates which biofuel?

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

Critical Thinking -According to the accompanying diagram, what total percentage of U.S. commercial energy is wasted?

What percent of all commercial energy used in the United States is wasted?

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

Which group is most likely to support large-scale funding of hydrogen research?

Wind power is expected to grow

Which of the following has traditionally received most of the United States government's energy subsidies?