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