Approximately what percentage of U.S. energy consumption is currently provided by "geofuels" (oil, natural gas, coal)? - CORRECT ANSWER-85%
The largest source of oil imports to the U.S. is:(country)? - CORRECT ANSWER-Canada
According to M. King Hubbert's estimate in the 1950s, U.S. oil produc...
EXAM 1 - GEO SCI 411 Questions With
Complete solutions Graded A+
Approximately what percentage of U.S. energy consumption is currently provided by
"geofuels" (oil, natural gas, coal)? - CORRECT ANSWER-85%
The largest source of oil imports to the U.S. is:(country)? - CORRECT ANSWER-
Canada
According to M. King Hubbert's estimate in the 1950s, U.S. oil production was expected
to reach its peak in approximately what year? - CORRECT ANSWER-between 1965
and 1970
Which country has the lowest primary energy consumption? - CORRECT ANSWER-
Sweden
Which country has the highest primary energy consumption? - CORRECT ANSWER-
United States (per capita)
What was the general (long-term) trend in real (inflation-adjusted) gasoline prices in the
U.S. during most of the 20th century? - CORRECT ANSWER-Decreasing
How has U.S. energy consumption per person changed over the past 20 years? -
CORRECT ANSWER-remained about the same
What region of the world has the greatest remaining oil reserves? - CORRECT
ANSWER-Persian Gulf Region
How has U.S. natural gas production changed during the past 5 years? - CORRECT
ANSWER-Increased
,Which of the following is the best definition of "energy"? - CORRECT ANSWER-The
capacity to do work (or produce heat, light, etc)
Which of the following is the best definition of "power"? - CORRECT ANSWER-The rate
at which energy is transferred
What is a Watt? - CORRECT ANSWER-SI unit of Power (joules/sec)
What term best describes the energy stored in fossil fuels? - CORRECT ANSWER-
Chemical potential energy
Which of the following is a statement of the First Law of Thermodynamics? - CORRECT
ANSWER-Energy cannot be created or destroyed, only converted (You can't win)
Which of the following is a statement of the Second Law of Thermodynamics? -
CORRECT ANSWER-Energy efficiency; there is always loss in every energy
transaction (You can't even break even)
Which of the following is the equation for Carnot efficiency? - CORRECT ANSWER-
Maximum possible efficiency = 1 - (Tc/Th)
[T_cold/T_hot] expressed in Kelvin
How many gallons are in a "barrel" of oil? - CORRECT ANSWER-42 gallons
Which of the following energy sources are ultimately derived from solar energy? -
CORRECT ANSWER-Wind, waves, hydroelectric, biofuels, fossil fuels
What is the ultimate source of most of the energy that we presently use? - CORRECT
ANSWER-Solar energy (which is technically due to gravity)
Approximately how much oil had the world already consumed prior to 2004? -
CORRECT ANSWER-1 Trillion Barrels
, Windmills are universally loved by everyone, not just the Dutch. T/F - CORRECT
ANSWER-False
Hybrid SUVs are the key to America's energy future. T/F - CORRECT ANSWER-False
The use of coal for electric generation in the U.S. has been steadily decreasing through
time. T/F - CORRECT ANSWER-True
Most of the electricity used at UW-Madison comes from coal burning. T/F - CORRECT
ANSWER-False
Most geologists agree that the remaining recoverable worldwide reserves of oil are less
than 1 trillion barrels. T/F - CORRECT ANSWER-False
Hydroelectric energy is ultimately another form of solar energy. T/F - CORRECT
ANSWER-True
Wind energy is ultimately another form of solar energy. T/F - CORRECT ANSWER-True
Power is the rate at which energy is transferred. T/F - CORRECT ANSWER-True
Energy can be transferred from one form to another without loss. T/F - CORRECT
ANSWER-False
Solar energy comes from nuclear fusion. T/F - CORRECT ANSWER-True
Burning of natural gas emits only about half as much CO2 as coal, for the same energy
output. T/F - CORRECT ANSWER-True
Unused land that could be used to grow biofuels is readily available in many areas of
the world. T/F - CORRECT ANSWER-True
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper remojudytask. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €10,73. Je zit daarna nergens aan vast.
