1
brae 349 final Questions with Correct Answers
for a Specific Exam Mail
What is the lift and combined horsepower of the Edmonston Pumping Plant
that moves water over the Tehachapi Mountains to Southern California?
Ans: 1,926 feet and 1,120,000 Horsepower
Assuming you could...roughly how much time would it take to count the
water
molecules (H2O) in one small drop of water at a rate of one per second?
Ans: 300 billion centuries
Assuming the population in California is 39.5 million, how many gallons of
water would be needed to make the food to create 1 hamburger (use the
quarter-pounder from lecture) for lunch for 1 day? Assume grain-fed beef
versus grass-fed beef.
Ans: 23.7 billion gallons (or about 72,700 Acre-Feet)
What prominent position did Cal Poly grad Randy Record hold with respect
to
California water? Hint: Google search encouraged
Ans: Chairman of the Board - Metropolitan Water District of Southern
California
Pretest - Stuvia US
,2
From the water allocated to California from the Colorado River in a "normal"
year, how much of the 4.4 million acre-feet allocation is used by agriculture
as senior water rights?
Ans: 87.5%
Which of the following represent relatively "new" sources of water in
California?
Ans: -Seawater Desalination
-Treated wastewater
-Improved efficiency for ag and urban water use
Why are nitrates in the groundwater an issue?
Ans: Nitrates can cause health problems such as Blue Baby Syndrome
What is one of the greatest issues in California's hydrology?
Ans: A majority of the water is in the northern part of the state, but a majority
of
the population is in the southern part of the state.
What percent of California groundwater is used as a key source of water in a
normal
water year?
Ans: 30%
Which of the following are guiding principles of the 2020 Water Resilience
Plan?
Pretest - Stuvia US
, 3
Ans: a) Strengthen partnerships with local, federal and tribal governments,
water agencies and irrigation districts, and other stakeholders
b) Integrate investments, policies, and programs across state government
c) Prioritize multi-benefit approaches that meet several needs at once
d) Utilize natural infrastructure such as forests and floodplains
e) Embrace innovation and new technologies
f) Incorporate successful approaches from other parts of the world
g) Encourage regional approaches among water users sharing watersheds
h) Prioritize urban water use above all other water users
How did California miners in the mid-1800s get the hydraulic mining nozzles to
work?
Ans: Hydraulic pressure from upstream water source
How much subsidence allegedly occurred between 1925-1977 at the site
near Mendota, California (documented by Dr. Poland)?
Ans: 8.9 meters (29.2 ft)
According to the lecture, NRDC/Pacific Institute posted a chart where ag is
wasting
water in California. How much water did they claim that agriculture users are
wasting with poor irrigation practices?
Ans: 5.6 - 6.6 mAF
According to the Randy Record interview, what is the biggest challenge in
the future
Pretest - Stuvia US
brae 349 final Questions with Correct Answers
for a Specific Exam Mail
What is the lift and combined horsepower of the Edmonston Pumping Plant
that moves water over the Tehachapi Mountains to Southern California?
Ans: 1,926 feet and 1,120,000 Horsepower
Assuming you could...roughly how much time would it take to count the
water
molecules (H2O) in one small drop of water at a rate of one per second?
Ans: 300 billion centuries
Assuming the population in California is 39.5 million, how many gallons of
water would be needed to make the food to create 1 hamburger (use the
quarter-pounder from lecture) for lunch for 1 day? Assume grain-fed beef
versus grass-fed beef.
Ans: 23.7 billion gallons (or about 72,700 Acre-Feet)
What prominent position did Cal Poly grad Randy Record hold with respect
to
California water? Hint: Google search encouraged
Ans: Chairman of the Board - Metropolitan Water District of Southern
California
Pretest - Stuvia US
,2
From the water allocated to California from the Colorado River in a "normal"
year, how much of the 4.4 million acre-feet allocation is used by agriculture
as senior water rights?
Ans: 87.5%
Which of the following represent relatively "new" sources of water in
California?
Ans: -Seawater Desalination
-Treated wastewater
-Improved efficiency for ag and urban water use
Why are nitrates in the groundwater an issue?
Ans: Nitrates can cause health problems such as Blue Baby Syndrome
What is one of the greatest issues in California's hydrology?
Ans: A majority of the water is in the northern part of the state, but a majority
of
the population is in the southern part of the state.
What percent of California groundwater is used as a key source of water in a
normal
water year?
Ans: 30%
Which of the following are guiding principles of the 2020 Water Resilience
Plan?
Pretest - Stuvia US
, 3
Ans: a) Strengthen partnerships with local, federal and tribal governments,
water agencies and irrigation districts, and other stakeholders
b) Integrate investments, policies, and programs across state government
c) Prioritize multi-benefit approaches that meet several needs at once
d) Utilize natural infrastructure such as forests and floodplains
e) Embrace innovation and new technologies
f) Incorporate successful approaches from other parts of the world
g) Encourage regional approaches among water users sharing watersheds
h) Prioritize urban water use above all other water users
How did California miners in the mid-1800s get the hydraulic mining nozzles to
work?
Ans: Hydraulic pressure from upstream water source
How much subsidence allegedly occurred between 1925-1977 at the site
near Mendota, California (documented by Dr. Poland)?
Ans: 8.9 meters (29.2 ft)
According to the lecture, NRDC/Pacific Institute posted a chart where ag is
wasting
water in California. How much water did they claim that agriculture users are
wasting with poor irrigation practices?
Ans: 5.6 - 6.6 mAF
According to the Randy Record interview, what is the biggest challenge in
the future
Pretest - Stuvia US
