FSESCI Final Exam Questions & Answers 2025/2026 100% Success (Grade A+)

FSESCI Final Exam Questions & Answers 2025/2026 100% Success (Grade A+) Erosion - ANSWER-The process by which the land surface is worn away by the action of wind, water, and gravity Sedimentation - ANSWER-The settling out of particles transported by wind and water Soil erosion can be classified as either ___ erosion or ___ erosion, and the sources can be either ___ or ___ - ANSWER-wind, water, natural, manmade Water erosion can be classified as either ___ erosion or ___ and ___ erosion - ANSWER-overland, stream, channel What are the four processes of overland erosion? - ANSWER-Splash or rain drop, sheet, rill, and gully What are the four principal factors influencing soil erosion? - ANSWER-Soil characteristics, vegetative cover, topography, and climate List three physical effects of erosion and sedimentation - ANSWER-Increased flooding reduced hydraulic capacity in rivers, streams, channels, reservoirs; increased maintenance of stormwater systems; increased water treatment costs; decreased recreational value List three biological effects of erosion and sedimentation - ANSWER-Reduced light for aquatic plants; clogs fish gills; impairs spawning; disrupts food chain; blankets bottom, suppresses aquatic life; disrupts ecosystem Plan the development to fit the terrain using the particular - ANSWER-Topography, soils, drainage patterns, natural vegetation of the site, and minimize the extent of the area exposed at one time and the duration of exposure Apply ___ practices to protect the disturbed area from off-site runoff and to protect off-site areas from sediment damage - ANSWER-perimeter control Apply ___ practices to prevent excessive on-site damage - ANSWER-erosion control Keep runoff velocities ___ and ___ runoff on the site - ANSWER-low; retain It is very important to stabilize disturbed areas ___ after final grading to prevent raindrop impacts from causing erosion - ANSWER-immediately Implement a thorough ___ and ___ (inspection) program as required in the Construction Generic Permit (CGP) - ANSWER-maintenance; follow up Soil particles smaller than 0.002 mm are classified as ___ and along with ___ are the two soil types that cause the most erosion/turbidity problems in Florida and the world - ANSWER-clay; muck Soils in the Type A hydrologic group have ___ infiltration rates and ___ runoff potential even when thoroughly wetted - ANSWER-high; low Soils in the Type D hydrologic group have ___ infiltration rates and ___ runoff potential even when thoroughly wetted - ANSWER-low; high The ___ is the only factor in the Universal Soil Loss Equation which is beyond the developer's control - ANSWER-rainfall erosion index Slope ___, ___, and ___ are the factors most easily manipulated by the developer - ANSWER-length; gradient; cover factor The RUSLE is used on our construction sites to predict ___ - ANSWER-soil loss Stabilize disturbed lands immediately to save ___ - ANSWER-money Who can you contact for soil survey information? - ANSWER-NRCS (Natural Resources Conservation Services) What are the five soil forming factors? - ANSWER-Climate, topography, organisms, parent material, and time (T/F) Waste disposal is a problem for the individual workers and some subcontractors, but it's no big deal - ANSWER-False (T/F) Truck washing should be done in a designated area, not near the perimeter controls - ANSWER-True (T/F) The public needs to understand that dust is just a normal part of construction - ANSWER-False A temporary gravel construction entrance must extend the full width of the entrance. It must be at least ___ feet long and at least ___ inches thick. Aggregate should be ___ in. stone or FDOT No. ___ stone. Prior to installing the gravel, a ___ should be placed on the ground to simplify installation and maintenance - ANSWER-50; 6; 2; 1; geotextile Maintenance of a temporary gravel construction entrance should be performed when void spaces are full of ___ - ANSWER-sediment The maximum drainage area for a silt fence under sheet flow conditions is ___ acre per 100 feet of barrier length - ANSWER-1/4 The average usable life of a silt fence is ___ months - ANSWER-6 For proper installation of a silt fence, a trench ___ inches deep and ___ inches wide must be excavated. This will allow the ___ inches of fabric to extend into the ground for backfilling and compaction - ANSWER-4; 4; 8 continues...