BRAE 349 Actual Exam 2025 BRAE Exam
Latest 2025 Questions and Correct Answers
Rated A+
How much subsidence has occurred at Mendota, California after
groundwater pumping?
a. 2.3 feet
b. Just over 30 feet since 1972
c. About 9 meters since 1920s (according to a published document by
Dr. Poland)
d. The ground surface has actually increased due to seismic activity. -
ANSWER-About 9 meters since 1920s (according to a published
document by Dr. Poland)
According to the lecture discussions on water quality, what is the most
pressing groundwater issue?
a. Salinity: Damages crops, inhibits crop yields
b. Calcium: Makes plants susceptible to disease and pests
c Potassium: Kills aquatic life and promotes algae
d. Nitrates: Source of pollution, causes oxygen depletion in water,
harmful to the environment (can cause Blue Baby Syndrome) -
ANSWER-Nitrates: Source of pollution, causes oxygen depletion in
water, harmful to the environment (can cause Blue Baby Syndrome)
,Which of the following is NOT a purpose of large California Water
Projects (State and Federal)?
a. Climate Control
b. Delta Water Quality and Outflow Improvement
c. Flood Control
d. Water Supply for Ag, Urban and Environmental Uses
e. Fish and Wildlife Mitigation and Enhancement - ANSWER-Climate
Control
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 week?
Assume grain-fed beef versus grass-fed beef.
a. 39.5 million gallons (or about 121 Acre-Feet)
b. 23.7 billion gallons (or about 72,700 Acre-Feet)
c. 23.7 million gallons (or about 72.7 Acre-Feet)
d. 166 billion gallons (or about 508,900 Acre-Feet) - ANSWER-166
billion gallons
Which statement regarding seawater desalination is correct?
,a. Even though it consumes power and energy, when compared with the
cost of a dam...the cost per-unit of water for desalination decreases over
the years since the filtration system is cheaper despite not lasting long
b. One way to dispose of the desalination byproduct brine is to apply it
along the shoreline since the brine is environmentally friendly
c. Challenges of desalination include high costs, high energy
consumption, and disposal of the brine
d. The cost per unit decreases over the years, and it does not use any
power but only a filtration system - ANSWER-Challenges of
desalination include high costs, high energy consumption, and disposal
of the brine
Which of the following is correct regarding the Colorado River
Compact?
a. It was the 23rd interstate agreement in the United States
b. It apportioned 75 million acre-feet annually for 75 years to the upper
and lower basins of the Colorado River
c. It allocates water use between the Upper Basin (Colorado, New
Mexico, Utah, Wyoming) and the Lower Basin (Arizona, California,
Nevada) regions
d. It was negotiated by state/federal governments and foreign countries
(Mexico) in the 1902 Compact - ANSWER-It allocates water use
, between the Upper Basin (Colorado, New Mexico, Utah, Wyoming) and
the lower basin (Arizona, California, Nevada) regions
Which of the following is true regarding the Mexican Water Treaty of
1944?
a. It allotted 10 million acre-feet of water annually to Mexico from the
United States
b. It was generous amount considering the demands from the rapidly
increasing population and agriculture in the Mexicali Valley
c. It dedicated their citizens' portions of water for boating, fishing,
environmental and agricultural use
d. It allocated 1.5 MAF of water annually from the Colorado River to
Mexico and also specified the water quality
e. The treaty allotted Mexico the water quantity of 1.5 MAF but does not
have a requirement about the water quality. - ANSWER-It allocated 1.5
MAF of water annually from the Colorado River to Mexico and also
specified the water quality
What percent of California groundwater is used as a key source of water
in a "normal" water year based on BRAE349 lecture?
a. 15.8%
b. 95%
c. 42.5%
Latest 2025 Questions and Correct Answers
Rated A+
How much subsidence has occurred at Mendota, California after
groundwater pumping?
a. 2.3 feet
b. Just over 30 feet since 1972
c. About 9 meters since 1920s (according to a published document by
Dr. Poland)
d. The ground surface has actually increased due to seismic activity. -
ANSWER-About 9 meters since 1920s (according to a published
document by Dr. Poland)
According to the lecture discussions on water quality, what is the most
pressing groundwater issue?
a. Salinity: Damages crops, inhibits crop yields
b. Calcium: Makes plants susceptible to disease and pests
c Potassium: Kills aquatic life and promotes algae
d. Nitrates: Source of pollution, causes oxygen depletion in water,
harmful to the environment (can cause Blue Baby Syndrome) -
ANSWER-Nitrates: Source of pollution, causes oxygen depletion in
water, harmful to the environment (can cause Blue Baby Syndrome)
,Which of the following is NOT a purpose of large California Water
Projects (State and Federal)?
a. Climate Control
b. Delta Water Quality and Outflow Improvement
c. Flood Control
d. Water Supply for Ag, Urban and Environmental Uses
e. Fish and Wildlife Mitigation and Enhancement - ANSWER-Climate
Control
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 week?
Assume grain-fed beef versus grass-fed beef.
a. 39.5 million gallons (or about 121 Acre-Feet)
b. 23.7 billion gallons (or about 72,700 Acre-Feet)
c. 23.7 million gallons (or about 72.7 Acre-Feet)
d. 166 billion gallons (or about 508,900 Acre-Feet) - ANSWER-166
billion gallons
Which statement regarding seawater desalination is correct?
,a. Even though it consumes power and energy, when compared with the
cost of a dam...the cost per-unit of water for desalination decreases over
the years since the filtration system is cheaper despite not lasting long
b. One way to dispose of the desalination byproduct brine is to apply it
along the shoreline since the brine is environmentally friendly
c. Challenges of desalination include high costs, high energy
consumption, and disposal of the brine
d. The cost per unit decreases over the years, and it does not use any
power but only a filtration system - ANSWER-Challenges of
desalination include high costs, high energy consumption, and disposal
of the brine
Which of the following is correct regarding the Colorado River
Compact?
a. It was the 23rd interstate agreement in the United States
b. It apportioned 75 million acre-feet annually for 75 years to the upper
and lower basins of the Colorado River
c. It allocates water use between the Upper Basin (Colorado, New
Mexico, Utah, Wyoming) and the Lower Basin (Arizona, California,
Nevada) regions
d. It was negotiated by state/federal governments and foreign countries
(Mexico) in the 1902 Compact - ANSWER-It allocates water use
, between the Upper Basin (Colorado, New Mexico, Utah, Wyoming) and
the lower basin (Arizona, California, Nevada) regions
Which of the following is true regarding the Mexican Water Treaty of
1944?
a. It allotted 10 million acre-feet of water annually to Mexico from the
United States
b. It was generous amount considering the demands from the rapidly
increasing population and agriculture in the Mexicali Valley
c. It dedicated their citizens' portions of water for boating, fishing,
environmental and agricultural use
d. It allocated 1.5 MAF of water annually from the Colorado River to
Mexico and also specified the water quality
e. The treaty allotted Mexico the water quantity of 1.5 MAF but does not
have a requirement about the water quality. - ANSWER-It allocated 1.5
MAF of water annually from the Colorado River to Mexico and also
specified the water quality
What percent of California groundwater is used as a key source of water
in a "normal" water year based on BRAE349 lecture?
a. 15.8%
b. 95%
c. 42.5%
