Envir203
Spring
2003
Quiz
#3, May 8
Name:_________________________
1) What is the difference between co-generation
and combined-cycle power generation?
Co-generations uses waste heat
for many different processes, such as space heating or drying. Combined-cycle power generation is a
two-cycle electricity generation process that uses the heat from the first
cycle to run a second cycle.
2) In the pyramid below, fill in the spaces
with the terms efficiency, fuel switching, and conservation in order of
importance. This is like the food
pyramid, so the approach to transportation policy that is most important should
be in the largest space, and the approach that is least important in the smallest
space. List one reason why Stephen
prioritizes in this order.
/\
Reasons:
Cheap, quick, easy. / \
/fuel switching\
/ \
/ efficiency
\
/ \
/ conservation \
3) Which sector in the US uses the largest
amount of energy?
Industry
4) What
is the rated power capacity of Washington State?
A. <500 MW
B. Between 500 and 5000 MW
5) Is
the average power of Washington State greater or less than the rated power, and
what makes it so?
The average power is less than
the rated power because the plants cannot run at capacity all of the time and
the load may not require them to do so.
6) What are the three main purposes of Three
Gorges Dam?
Flood control, electricity
production, navigation
7) The Columbia River Dams were justified as
having more than three purposes. List
one purpose of the Columbia River Dams that is different than the main purposes
of Three Gorges Dam.
Irrigation, recreation