CFM Exam Study Guide Questions and Answers 100% Pass

CFM Exam Study Guide Questions and Answers 100% Pass What are the three most common types of flooding? ✔✔Riverine, Coastal, and Shallow Flooding Which type of flooding has accounted for the most flood -related deaths? ✔✔Flash Flooding A curve or turn in a river channel? ✔✔Meander What is the major cause in coastal flooding? ✔✔Storm Surge What causes a tsunami? ✔✔Underwater earthquakes or volcanoes List the five types of special flood hazards covered in FEMA 480. ✔✔1. Closed Basin Lak es 2. Uncertain flow paths 3. Dam breaks 4. Ice jams 5. Mudflows List three benefits that a floodplain contributes to your community ✔✔Recreational benefits, scientific and historical benefits, Ecosystem benefits, and they protect communities from floodin g. What two problems result from floodplain development? ✔✔1. Development alters the floodplain and the dynamics of the flooding 2. Buildings and infrastructure are damaged by periodic flooding What is one of the problems with constructing seawalls to p rotect buildings from flooding or erosion? ✔✔It can accelerate flooding on properties at the end of the wall What are the 5 main causes of flood damage? ✔✔1. Hydrodynamic forces 2. Hydrostatic forces 3. Soaking 4. Debris impact 5. Sediment and contaminant s Standing water as little as _____ feet deep can collapse the walls of a frame house. ✔✔3 What are some of the safety and health hazards that accompany floods? ✔✔Disruption of public utilities, Electrocution, contamination of water supplies, fire, dirty ponds, mold, contaminated air ducts, mental health problems Prior to the 1960's what was the primary way to reduce flood losses? ✔✔Structural flood control projects What is the unified national program for floodplain managements definition of floodplain management? ✔✔A decision -making process that aims to achieve the wise use of the nations floodplains. What are the two primary goals of floodplain management? ✔✔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? ✔✔1. Hilly areas with steep slopes and narrow valleys 2. Urban area s with large amounts of impervious surfaces and storm sewers 3. Areas downstream of dams or subject to ice jams Is erosion only a threat in coastal areas? ✔✔No. Riverine erosion can move stream channels and undercut structures. What is ponding? ✔✔Where s torm water runoff collects in depressions and cannot drain out. What does filling in a floodplain do? ✔✔Filling reduces the floodplains 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? ✔✔Yes, it may remove a natural barrier that protects inland properties Hydrodynamic forces are caused by _____ water and hydrostatic forces are caused by ____ water. ✔✔Moving, Standing List three materials or house ho ld items that are particularly susceptible to flood damage by soaking. ✔✔Wood, gypsum board, furniture and upholstery, carpeting, mattresses, books, electrical appliances, gas engines