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30 Cards in this Set

  • Front
  • Back
joule- energy or power, or neither
energy
energy, power, or neither- megawatt
power
energy, power, or neither- newton
neither
kilowatt-hour energy power or neither
energy
joule/day energy power or neither
power
watt/day unit of what?
neither
newton-meter unit of what?
energy
horsepower unit of what?
power
tons of coal- unit of what?
energy
billions of barrels of oil per year- unit of what
power
According to the worst-case scenario predictions by the Club of Rome scientists, the world supply of petroleum?
We may have to face famine, more wars, and pollution if we don't take steps that limit consumption
Energy is needed to
A. Exert a force through a distance
b. lift a mass
c. move an electric charge
d. accelerate a mass from rest to higher velocity
e. all of the above
all of the above
To increase their revenues, OPEC members have, on occasion, devised policies that involved
raising prices, cutting production, increasing quotas, selling oil beyond their designated allocations, all of the above
Which fuel is most used for production of electricity in the United States?
Coal
Estimates of the time that we will run out of our non-renewable fossil energy resources depend largely on
the rate of consumption of energy and the rate at which new reserves are found. The price of energy, the state of the economy
define chemical energy
energy locked in molecules
Two units for expressing a very large amount of energy are
QUAD and TJ
A million people each have one million dollars (they'll all pay no taxes). their total assets are
$1 trillion (IRAQ)
The energy needed to run a one-watt LED light for one hour is
one-watt hour
What sector of American society consumes the most energy?
electrical generation
Which of the following renewable energy sources currently provides the U.S with the most electricity?
hydropower
Kinetic and potential energy are energies of _________________ and ___________, respectively
motion and position
Per capita energy consumption in a modern techonological society is roughly ___ times that in a primitive society
100
In comparison to an individual living in Japan, every American is using roughly _______- energy
twice as much
Although the U.S has only ____ percent the world's population, it uses roughly ___ percent the world energy
5, 25
As developing countries become industrialized
A. they will need to import oil
B. there will be less oil available for industrialized countires
c. there will be stiff competition for control of the oil resources
d. the tensions between developing and developed countries are likely to increse
e. All of the above
all of the above
Which of the following resources are considered primary?
Biomass
Alchohol
Hydrogen
Biodisel
Biomass
T/F The higher the H/C ratio in the fuel, the dirtier the combustion will be
F
TF Electricity is a primary source of energy
F
cutting subsidies to farmers to produce corn for ethanol is an example of supply-side management
T