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FEMA 480 Practice Exam Questions And Already Passed Answers.
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What are the 3 most common types of flooding? - Answer Riverine, coastal, shallow Which type of flooding has accounted for the most flood-related deaths in recent history? - Answer Flash flooding What is a "meander?" - Answer It's a curve or turn in a river channel. What's the maj...

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  • September 11, 2024
  • 41
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • types of flooding

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  • CFM - Certified Floodplain Manager
  • CFM - Certified Floodplain Manager

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FEMA 480 Practice Exam Questions And
Already Passed Answers.
What are the 3 most common types of flooding? - Answer Riverine, coastal, shallow



Which type of flooding has accounted for the most flood-related deaths in recent history? - Answer
Flash flooding



What is a "meander?" - Answer It's a curve or turn in a river channel.



What's the major cause of coastal flooding? - Answer Storm surge



What causes a tsumani? - Answer Underwater earthquake or volcanoes



List the five types of special flood hazards covered in this course. - Answer 1. Closed basin

2. Uncertain flow paths

3. Dam breaks

4. Ice Jams

5. Mudflows



What 2 problems result from floodplain development? - Answer 1. Development alters the floodplain
and the dynamics of flooding

2. Building and infrastructures are damaged by periodic flooding



What does watershed development do to flooding? - Answer The increase in impervious surface results
in increased runoff and higher flood levels.



What is one of the problems with constructing seawalls to protect buildings from flooding or erosion? -
Answer It can accelerate erosion on properties at the end of the wall.

,What are the five main causes of flood damage? - Answer 1. Hydrodynamic forces

2. Debris impact

3. Hydrostatic forces

4. Soaking

5. Sediment and contaminants



Standing water as little as _____ feet deep can collapse the walls of a frame house. - Answer 3



What are some of the safety and health hazards that accompany floods? - Answer 1. Disruption of
public utilities

2. Electrocution

3. Contamination of water supplies

4. Fire

5. Animal carcasses, garbage, and ponds can become breeding grounds for germs and mosquitoes

6. Mold, mildew, and bacteria that grow in damp, flooded areas

7. Contaminated air from dirty heating ducts

8. Stress and mental health problems



Prior to the 1960's what was the primary way to reduce flood losses? - Answer Structural flood control
projects



What is the Unified National Program for Floodplain Management's definition of "floodplain
management?" - Answer A decision-making process that aims to achieve the wise use of the nation's
floodplains



What are the two primary goals of floodplain management? - Answer 1. To reduce the loss of life,
disruption, and damage caused by floods

2. To preserve and restore the natural resources and functions of floodplains



What areas are conducive to flash flooding? - Answer 1. Hilly areas with steep slopes and narrow
valleys

,2. Urban areas with large amounts of impervious surfaces and storm sewers

3. Areas downstream of dams or subject to jams



Is erosion only a threat in coastal areas? - Answer No. Riverine erosion can move through stream
channels and undercut structures.



What is "ponding?" - Answer Where storm water runoff collects in depressions and cannot drain out



Are plants and animals the only beneficiaries of the "natural and beneficial functions" of flood plains? -
Answer No. People benefit from floodplains through the food they provide, the recreational
opportunities the afford, and the scientific knowledge gained in studying them. Floodplains also recharge
ground water supplies and their filtering actions help improve water quality.



What does filling in a floodplain do? - Answer Filling reduces the floodplain's ability to store excess
water, sending more water downstream, and causing floods to rise to higher levels.



Does moving sand and sand dunes affect flooding? - Answer Yes, it may remove a natural barrier that
protects inland properties.



Hydrodynamic forces are caused by _____ water and hydrostatic forces are caused by _____ water -
Answer Moving, Standing



List 3 materials or household items that are particularly susceptible to flood damage by soaking. -
Answer 1. Wood

2. Gypsum wallboard

3. Furniture and upholstery

4. Carpeting

5. Mattresses

6. Books

7. Electrical appliances

8. Gasoline engines

, What are examples of non-structural flood protection measures? - Answer 1. Regulations to prohibit
development in high-hazard areas

2. Building codes requiring flood-resistant construction for new buildings in flood-prone areas

3. Acquisition and relocation of buildings in high hazard areas

4. Modifying or retrofitting existing buildings

5. Installing flood warning systems

6. Controlling storm-water runoff

7. Providing self-help advice to property owners



What are the Unified National Program for Floodplain Management's 4 main floodplain management
strategies? - Answer 1. Modify human susceptibility to flood damage

2. Modify the impact of flooding

3. Modify flooding itself

4. Preserve and restore natural resources



What are the objectives of the NFIP? - Answer The National Flood Insurance Act created the National
Flood Insurance Program (NFIP) to:

1. Transfer the costs of private property flood losses from the taxpayers to floodplain property owners
through flood insurance premiums

2. Provide floodplain residents and property owners with financial aid after floods, especially smaller
floods that do not warrant federal disaster aid

3. Guide development away from flood hazard areas

4. Require that new and substantially improved buildings be constructed in ways that would minimize or
prevent damage in a flood



What are the 3 basic parts of the NFIP? - Answer 1. Mapping

2. Insurance

3. Regulations



Who uses NFIP maps? - Answer 1. Communities, states, and federal agencies use them as the basis for
regulating new flood-prone construction

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