Floodplain Management - Exam 1 (1/2)
Questions and Answers
Which one of the following is a flood according to the NFIP definition?
A. A washing machine springs a leak flooding a home utility room
B. Over a period of years, river erosion undermined a home foundation
C. A city water main ruptures flooding several buildings in San Francisco
D. A culvert plugged by debris and the ditch overflows flooding a home - Correct
Answers -C. A city water main ruptures flooding several buildings in San Francisco
If you purchase flood insurance today, it does not become effective for a month. Which
of the following it the reason for delay?
A. It takes a month to get the paperwork through
B. In some areas flooding takes 2 or more weeks to develop
C. They have to wait to make sure your check will clear
D. It takes this long to verify your eligibility for flood insurance - Correct Answers -B. In
some areas flooding takes 2 or more weeks to develop
Hurricanes sometimes transform into extra-tropical cyclones. What is the main
difference between a hurricane and an extra-tropical cyclone?
A. Energy source
B. Rotation direction
C. Storm depth
D. Amount of lightening - Correct Answers -A. Energy source
Which one of the following has caused the highest riverine flood discharge known in the
historical or geological record?
A. Dam break
B. Alluvial fan flooding
C. Flooding after a tropical storm crosses land
D. Ice Jam Flooding - Correct Answers -D. Ice Jam Flooding
Which of the following are closed basin lakes. Select all that apply.
A. Great Salt Lake
B. Salton Sea
C. Lake Tahoe
D. Pyramid Lake - Correct Answers -A. Great Salt Lake
B. Salton Sea
D. Pyramid Lake
Alluvial fans are special flood hazards because...
, A. Flow carrying channels can avulse
B. High levels of contaminants are common
C. Flow channels are subject to extreme meandering?
D. of extreme flow capacity of channels. - Correct Answers -A. Flow carrying channels
can avulse
Which of the following led to professional engineering licensure in California?
A. San Francisco earthquake
B. The Los Angeles Aqueduct
C. Damage from the Blackhawk Slide
D. Collapse of the St. Francis Dam - Correct Answers -D. Collapse of the St. Francis
Dam
Which of the following is most effective as an alluvial fan flood mitigation measure?
A. Elevating Houses
B. Large scale debris basins
C. Sandbagging around home
D. Flood walls around home - Correct Answers -B. Large scale debris basins
A closed basin lake is a special flood hazard because...
A. it can fill unusually quickly
B. it is prone to extreme pollution
C. it can cause long term flooding
D. blockage collapse can cause flash flooding - Correct Answers -C. it can cause long
term flooding
Sometimes developers will place fill in the floodplain to raise land above the 100-yr flood
elevation so that homes built there will not require flood insurance. What is the impact to
natural and beneficial floodplain functions of placing fill in the floodplain?
A. It reduces flood damages to homes
B. It reduces storage and increases downstream flooding
C. It enhances groundwater recharge
D. It provides for an increased community tax base - Correct Answers -B. It reduces
storage and increases downstream flooding
What is the main reason floodplain managers want to protect natural and beneficial
functions of floodplains?
A. Letting a floodplain act as a floodplain can prevent deaths and has economic benefits
B. Floodplains can be extremely beautiful and make very nice parks
C. Floodplains provide enhanced aquatic habitat for many species
D. Undeveloped floodplains allow cheaper construction of dams - Correct Answers -A.
Letting a floodplain act as a floodplain can prevent deaths and has economic benefits
With regard to flooding, allowing floodplains to do what they were meant to do achieves
which one of the following?
A. Increased flood damages
Questions and Answers
Which one of the following is a flood according to the NFIP definition?
A. A washing machine springs a leak flooding a home utility room
B. Over a period of years, river erosion undermined a home foundation
C. A city water main ruptures flooding several buildings in San Francisco
D. A culvert plugged by debris and the ditch overflows flooding a home - Correct
Answers -C. A city water main ruptures flooding several buildings in San Francisco
If you purchase flood insurance today, it does not become effective for a month. Which
of the following it the reason for delay?
A. It takes a month to get the paperwork through
B. In some areas flooding takes 2 or more weeks to develop
C. They have to wait to make sure your check will clear
D. It takes this long to verify your eligibility for flood insurance - Correct Answers -B. In
some areas flooding takes 2 or more weeks to develop
Hurricanes sometimes transform into extra-tropical cyclones. What is the main
difference between a hurricane and an extra-tropical cyclone?
A. Energy source
B. Rotation direction
C. Storm depth
D. Amount of lightening - Correct Answers -A. Energy source
Which one of the following has caused the highest riverine flood discharge known in the
historical or geological record?
A. Dam break
B. Alluvial fan flooding
C. Flooding after a tropical storm crosses land
D. Ice Jam Flooding - Correct Answers -D. Ice Jam Flooding
Which of the following are closed basin lakes. Select all that apply.
A. Great Salt Lake
B. Salton Sea
C. Lake Tahoe
D. Pyramid Lake - Correct Answers -A. Great Salt Lake
B. Salton Sea
D. Pyramid Lake
Alluvial fans are special flood hazards because...
, A. Flow carrying channels can avulse
B. High levels of contaminants are common
C. Flow channels are subject to extreme meandering?
D. of extreme flow capacity of channels. - Correct Answers -A. Flow carrying channels
can avulse
Which of the following led to professional engineering licensure in California?
A. San Francisco earthquake
B. The Los Angeles Aqueduct
C. Damage from the Blackhawk Slide
D. Collapse of the St. Francis Dam - Correct Answers -D. Collapse of the St. Francis
Dam
Which of the following is most effective as an alluvial fan flood mitigation measure?
A. Elevating Houses
B. Large scale debris basins
C. Sandbagging around home
D. Flood walls around home - Correct Answers -B. Large scale debris basins
A closed basin lake is a special flood hazard because...
A. it can fill unusually quickly
B. it is prone to extreme pollution
C. it can cause long term flooding
D. blockage collapse can cause flash flooding - Correct Answers -C. it can cause long
term flooding
Sometimes developers will place fill in the floodplain to raise land above the 100-yr flood
elevation so that homes built there will not require flood insurance. What is the impact to
natural and beneficial floodplain functions of placing fill in the floodplain?
A. It reduces flood damages to homes
B. It reduces storage and increases downstream flooding
C. It enhances groundwater recharge
D. It provides for an increased community tax base - Correct Answers -B. It reduces
storage and increases downstream flooding
What is the main reason floodplain managers want to protect natural and beneficial
functions of floodplains?
A. Letting a floodplain act as a floodplain can prevent deaths and has economic benefits
B. Floodplains can be extremely beautiful and make very nice parks
C. Floodplains provide enhanced aquatic habitat for many species
D. Undeveloped floodplains allow cheaper construction of dams - Correct Answers -A.
Letting a floodplain act as a floodplain can prevent deaths and has economic benefits
With regard to flooding, allowing floodplains to do what they were meant to do achieves
which one of the following?
A. Increased flood damages
