Filters
Question type

Study Flashcards

One way to reduce energy use is to find more efficient ways to provide electricity.About what percentage of the energy in coal is lost during the generation and transmission of electricity?


A) 20%
B) 30%
C) 50%
D) 70%

Correct Answer

verifed

verified

An oil shortage in 1973 was mainly the result of _________.


A) increased reliance on domestic oil production and the law of supply and demand
B) global prosperity and an increased global demand for oil
C) global politics and an increased reliance on foreign oil
D) a ban on offshore exploration in the United States

Correct Answer

verifed

verified

Which of the following would be the wisest investment to save you money on your energy bills if you lived in southern Louisiana?


A) A swamp cooler
B) A solar hot water heater
C) A natural gas furnace
D) An air conditioner

Correct Answer

verifed

verified

You visit a small village during a trip to Haiti.While there,you learn that a large number of villagers suffer from respiratory problems.Which of the following is the best explanation for this phenomenon?


A) The villagers are allergic to your body spray.
B) The villagers are exposed to a great deal of air pollution from urban traffic.
C) Many of the villagers have had malaria,and lung damage is a permanent effect of the disease.
D) The villagers are exposed to a great deal of air pollution from fuels used for cooking.

Correct Answer

verifed

verified

The early Industrial Revolution primarily relied on fossil fuels to____________ .


A) run gasoline engines
B) generate steam
C) run power plants that generated electricity
D) generate heat and electricity

Correct Answer

verifed

verified

Which of the following statements most accurately describes the current status of China's energy use?


A) China currently has a higher energy intensity than the United States.
B) As a nation,China ranks third in energy use behind only India and the United States.
C) Although the source of energy differs,the average resident of China uses about the same amount of energy as the average resident of the United States.
D) Almost 75% of China's electricity is being produced by hydroelectric plants such as the new Three Gorges Dam recently built along the Yangtze River.

Correct Answer

verifed

verified

Brownouts and blackouts involve drops in voltage to complete losses of electrical power,often occurring when electrical demand exceeds supply.As demands for electricity push beyond the capacity of the existing power grid in the United States,when is it most likely that a brownout or blackout will disrupt electricity to your home computer?


A) During a weekday in the summer
B) During a weekend in the winter
C) During a weekday in the winter
D) During a weekend in the summer

Correct Answer

verifed

verified

  -Which of the following can be inferred from the information in the figure? A) If the United States had the same energy intensity as China,per capita energy use in the United States would be much higher. B) Countries that are more energy intense use more energy per capita than countries that are less energy intense. C) Per capita energy use in China will decrease as the country's energy intensity decreases. D) The United States has a higher energy intensity than most countries. -Which of the following can be inferred from the information in the figure?


A) If the United States had the same energy intensity as China,per capita energy use in the United States would be much higher.
B) Countries that are more energy intense use more energy per capita than countries that are less energy intense.
C) Per capita energy use in China will decrease as the country's energy intensity decreases.
D) The United States has a higher energy intensity than most countries.

Correct Answer

verifed

verified

  -Which of the following statements can be inferred from the information in the figure? A) In 2009,renewable energy sources accounted for only 2% of the total annual energy use in the United States. B) Oil is used mainly in transportation,and coal and natural gas are used mainly in the generation of electricity. C) Americans use more oil today than ever before. D) Between 2005 and 2009,oil use in the United States declined by over 10%. -Which of the following statements can be inferred from the information in the figure?


A) In 2009,renewable energy sources accounted for only 2% of the total annual energy use in the United States.
B) Oil is used mainly in transportation,and coal and natural gas are used mainly in the generation of electricity.
C) Americans use more oil today than ever before.
D) Between 2005 and 2009,oil use in the United States declined by over 10%.

Correct Answer

verifed

verified

You visit a small village during a trip to Haiti.Which of the following would you be most surprised to find them using for cooking?


A) Dried animal dung
B) Wood
C) Charcoal
D) Coal

Correct Answer

verifed

verified

Since 2005,the United States has ___________.


A) improved the efficiency of its technology and now does not need to import foreign oil
B) been steadily consuming more oil and producing less oil domestically
C) decreased oil consumption,mostly due to citizens purchasing more fuel-efficient vehicles
D) increased its oil consumption,while India and China have decreased their consumption by means of strict environmental legislation

Correct Answer

verifed

verified

Which of the following sectors is most heavily dependent on oil?


A) Transportation
B) Industrial
C) Commercial
D) Residential

Correct Answer

verifed

verified

  -Despite constant technological advancements that are more and more energy efficient,global energy use is projected to increase for the foreseeable future see figure.Explain why global energy use is expected to increase. -Despite constant technological advancements that are more and more energy efficient,global energy use is projected to increase for the foreseeable future see figure.Explain why global energy use is expected to increase.

Correct Answer

verifed

verified

The world's population is increasing,and...

View Answer

Showing 21 - 33 of 33

Related Exams

Show Answer