Exam 20: Sustainable Energy

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A) The cost
B) Wood shortages
C) That it separates people from the utility grid
D) The production of pollutants
E) None of these is correct

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A) A failure to turn off lights
B) Technological inefficiency
C) The fact that more efficient energy conversion is not possible
D) Overwhelming public ignorance of conservation issues
E) The fact that energy conservation techniques are quite expensive

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A) provides oxygen for the energy-releasing chemical reactions.
B) extracts hydrogen atoms from a variety of chemical substrates.
C) stores energy much like a battery.

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A) Locally grown food does not need to be transported far distances.
B) Locally grown food does not use petroleum-based fertilizers.
C) Locally grown food does not use petroleum-based pesticides.
D) Locally grown food supports local farmers.
E) All of these are ways that eating locally grown food in season saves energy.

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A) use hydrogen gas for fuel.
B) produce water as their only waste product.
C) are currently available in many states.
D) use hydrogen gas for fuel and produce water as their only waste product.

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A) Large volumes of massive heat absorbers
B) Pumps and moving fluids
C) Photovoltaic cells
D) Cogeneration
E) Stationary materials to gather and hold heat

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A) The differential heat of inshore and offshore waters
B) Electrolytic decomposition of saltwater
C) Turbines that spin in the flow of tide water
D) The energy from waves as they crash on the shore
E) All of these together

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A) 10 percent
B) 20 percent
C) 40 percent
D) 60 percent

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A) Install a new water heater
B) Modify your energy-using behavior
C) Put new insulation in your home
D) Buy a more efficient automobile
E) Install a new furnace

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A) Heat produced by a barrel of fuel
B) Energy stored in a unit of fuel
C) Energy produced compared to energy consumed
D) Total energy consumed over a year divided by time spent
E) Energy used per unit of time

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