Filters
Question type

Study Flashcards

The country that is the world's largest producer of geothermal electricity is ____.


A) Finland
B) China
C) Iceland
D) the Philippines
E) the United States

Correct Answer

verifed

verified

Tapping just 2% of the hot,dry rock geothermal energy in the U.S.could produce how much of the energy needed by the U.S.?


A) 50% of the energy for electricity
B) three-fourths of all energy
C) all the energy necessary for electricity
D) 10 times the energy needed from coal burning power plants
E) 2,000 times the current annual use of electricity

Correct Answer

verifed

verified

What percentage of the commercial energy used in the United States is wasted unnecessarily?


A) 11%
B) 23%
C) 33%
D) 43%
E) 51%

Correct Answer

verifed

verified

Switching the United States to a smart electric grid would save the U.S.economy what amount per year over the next 20 years?


A) $1 trillion
B) $800 billion
C) $500 billion
D) $100 billion
E) $1 billion

Correct Answer

verifed

verified

What is the world's most energy-efficient country?


A) China
B) United States
C) France
D) Germany
E) Denmark

Correct Answer

verifed

verified

Which of the following is not considered biomass?


A) wood
B) crop residues
C) charcoal
D) animal manure
E) coal

Correct Answer

verifed

verified

According to the United Nations,about 60% of all the world's potential for hydropower has been developed.

Correct Answer

verifed

verified

Which of the following is not a means to cool a building naturally?


A) building orientation to catch the sun
B) a living roof
C) open windows to catch the breeze
D) light-colored roof
E) awnings,window overhangs

Correct Answer

verifed

verified

Discuss the three strategies governments can use to help stimulate or reduce the short-term and long-term use of a particular energy resource.

Correct Answer

verifed

verified

First,they can keep the prices of the se...

View Answer

Geothermal heat pumps and geothermal exchange may be used to tap the geothermal energy stored in the earth's mantle.

Correct Answer

verifed

verified

Which of the following is a disadvantage of hydroelectric plants?


A) low net energy
B) large land disturbance
C) little untapped potential
D) high-cost electricity
E) high emissions of carbon dioxide

Correct Answer

verifed

verified

What are some of the major problems with using cellulosic ethanol? How do these affect its potential use?

Correct Answer

verifed

verified

The process for converting cellulosic ma...

View Answer

China and the United States,combined,use what percentage of the world's energy?


A) 19%
B) 29%
C) 39%
D) 49%
E) 59%

Correct Answer

verifed

verified

The weakness of electric cars is their ____.


A) noise level
B) maintenance cost
C) batteries
D) slow acceleration
E) price

Correct Answer

verifed

verified

____________________ automatically adjust the tint of glass to reflect or absorb light.

Correct Answer

verifed

verified

Designing buildings based on energy-efficient,resource-efficient,and money-saving designs is referred to as ____________________.

Correct Answer

verifed

verified

The promotion that hybrid cars do not contribute to climate change because they do not emit carbon dioxide is correct,but misleading.Explain why this statement is misleading.

Correct Answer

verifed

verified

The process of manufacturing the cars do...

View Answer

What can individuals do to shift to more sustainable energy use?

Correct Answer

verifed

verified

Walk,bike,or use mass transit to commute...

View Answer

Fuel efficiency for all types of cars would nearly double if ____.


A) all cars were diesels
B) all cars used wind power
C) all cars had smaller engines
D) all cars were made from ultrastrong,ultralight composite materials
E) all cars were shared

Correct Answer

verifed

verified

The chief ingredient of most solar cells is ____.


A) silicon
B) sodium
C) chromium
D) arsenic
E) calcium

Correct Answer

verifed

verified

Showing 21 - 40 of 89

Related Exams

Show Answer