15 Jun ENVIRONMEN scin140 – In rural areas of developing countries, photovoltaic
Question
In rural areas of developing countries, photovoltaic cells are used for
all of the following purposes except
A.charging batteries.
B.charging batteries.
C.providing refrigeration for vaccines.
D.providing refrigeration for vaccines.
E.pumping water.
At oil refineries, heated crude oil is separated into different products
based on ___.
A.water solubility
B.boiling points
C.density
D.sulfur content
E.energy potential
Tidal energy cannot become a significant resource worldwide because
A.the accompanying tidal waves cause too much environmental destruction.
B.the equipment required to harness this energy is not yet
C.few areas have large enough differences in water level between high and
low tides to make power generation feasible.
D.sand damages the equipment
E.tidal energy can become a significant resource worldwide.
All of the following are challenges that face the application of fuel cell
technology for motor vehicles except
A.the size and weight of the fuel cell is prohibitive for use in
automobiles.
B.fuel cells are expensive.
C.hydrogen is extremely volatile so safety issues must be addressed.
D.infrastructure for refueling is not in place.
E.the ability of the fuel cell to store more than a fixed amount of
energy.
Question 22 of 25
4.0 Points
What is the best long-term option for the storage of high-level
radioactive waste in the U.S.?
A.in compartments at the bottom of cooling towers at nuclear power
plants.
B.deep burial in steel waste canisters at distant sites from population
centers
C.injection underground between layers of clay in remote areas
D.storage in concrete casks at the bottom of the ocean
E.export it to foreign locations
Biomass is composed of
A.nonrenewable materials.
B.liquid chemicals.
C.greenhouse gases.
D.soil and water.
E.organic material from plants and animals.
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