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CESSWI Exam Flashcards QUESTIONS & ANSWERS(RATED A+)

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Read before beginning: Cesswi Exam Content- from Gen. Principals Rev. Manual Nov 2023: *see G.P.R.M Vol. 1 pgs 52-60 for more details* - Management Practices (BMPs): 32-39% - Documentation, Communication, & Safety: 22-27% - Inspection Fundamentals and Duties: 12-15% - Plan & Site Management: ...

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  • January 2, 2025
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CESSWI Exam Flashcards QUESTIONS
& ANSWERS(RATED A+)
Read before beginning:
Cesswi Exam Content- from Gen. Principals Rev. Manual Nov 2023:
*see G.P.R.M Vol. 1 pgs 52-60 for more details*
- Management Practices (BMPs): 32-39%
- Documentation, Communication, & Safety: 22-27%
- Inspection Fundamentals and Duties: 12-15%
- Plan & Site Management: 9-11%
- Inspection Elements for Construction: 7-9%
- General Permits: 4-6%
- Stormwater Monitoring & Sampling: 1-3%
- Hydrology & Drainage Principals: 1-2%
- Rules & Regs, Soil Mechanics & Soil Science Principals, and Site Climatic
Conditions & Rainfall Amounts comprise <1%
This flashcard set aims to include information from every section listed above,
focusing on the high % sections. This flashcard set is not all-encompassing. Detailed
review of the Gen. Principals Rev. Manual, Nov 2023, Vol. 1-3 & CESSWI Rev.
Presentation is highly recommended. - ANSWERgood luck!

What are the soil classifications based off of? - ANSWERPercent of sand, silt, and
clay present in soil

How many soil texture classifications are there? - ANSWER12

What are the hydrologic soil groups classified based off of? - ANSWERInfiltration
rates

What are the hydrologic soil groups? - ANSWERA, B, C, D

What are the soil horizons classified based off of? - ANSWERPrimary material (eg
clay, organic matter, minerals, parent material (rock), bedrock)

What are the master horizons? - ANSWERO, A, E, B, C, R

What are the four types of erosion? - ANSWERRaindrop, sheet, rill & gully,
streambank

Define soil detachment - ANSWERthe dislodgment of soil particles from the soil
mass through erosive forces

Define sediment transport - ANSWERthe movement of sediment particles (by water
or wind) once they have been detached

Define erosion - ANSWERthe weathering down of parent material and the
detachment by the action of wind, water, ice and gravity

,What is the erosion rate of soil for a site by water dependent on? - ANSWERon-site
characteristics, soil physical and chemical variables, and land management practices

what is sediment deposition (sedimentation)? - ANSWERthe process by which soil
particles that have been suspended within the water or air column settle back to the
ground surface

what equation is used to estimate the annual average erosion rate for a site? -
ANSWERRUSLE

Brain Break! (answer a question completely unrelated to stormwater)

What is the largest desert in the world? - ANSWERAntarctica Desert (don't believe
me? google it!)

what can sedimentation be a result of? - ANSWERreduced flow rates/flow velocities,
higher frictional forces, increased sediment load within runoff

site characteristics that directly impact the likelihood for soils to erode: -
ANSWERsoil type, vegetative cover, topography, climate

define hydrology - ANSWERthe study of water, including its occurrence, circulation,
distribution, chemical and physical properties, and the reaction of those properties to
the environment

parameters that characterize the hydrology of a site include; - ANSWERprecipitation,
evaporation, infiltration, runoff

the hydrologic cycle describes the movement of water... - ANSWERabove the
surface, on the surface, and below the surface

A land area that channels rainfall and snowmelt to creeks, streams, and rivers, and
eventually to outflow points such as reservoirs, bays, and the ocean -
ANSWERwatershed

define slope - ANSWERslope/gradients is defined as a number, typically a %, that
describes the direction and steepness of a surface

typical method of slope calculation - ANSWERrise over run ( slope% = rise/run )
*to convert the decimal to a whole number, multiply the slope % by one hundred

other ways of expressing slope include... - ANSWERslope degrees & slope ratios

slope ratios - ANSWER

_________ ___________ look at the angle of the slope using a protractor with 90
degrees being completely vertical and 0 degrees being completely horizontal. A 45
degree slope is one (1) horizontal unit to (1) vertical unit. - ANSWERslope degrees

, __________ __________ provides the slope in horizontal units to vertical units. For
instance, a three (3) ft horiz. run with a one (1) ft vert. change would be expressed
as a 3:1 slope. - ANSWERslope ratios

____________ is the study of fluids, including both fluids in motion and fluids at rest.
- ANSWERHydrology

the hydrologic cycle is a... - ANSWERcontinuous process (no start or end)

water will exist in all 3 states: - ANSWERvapor, liquid, solid

define watershed (NOAA def): - ANSWERa land area that channels rainfall and
snowmelt to creeks, streams, and rivers, and eventually to outflow points such as
reservoirs, bays, and the ocean

A specified rainfall depth over a specified duration - ANSWERdesign storm


Open channel flow is... - ANSWERconcentrated flow within a defined cross-section
when the surface of the water is exposed to the atmosphere (eg channels, canals,
streams).

When designing a culvert and drainage system, a designer should ensure that the
downstream conveyance feature... - ANSWERhas the capacity to convey the pipe
flows without overtopping or causing erosion.

flow control options include... - ANSWERweir flow, orifice flow

Brain Break! (answer a question completely unrelated to stormwater)

When did many US schools stop teaching cursive? - ANSWER2010 (stupid
Common Core)

the 1972 amendments to the Federal Water Pollution Control Act are commonly
referred to as... - ANSWERthe Clean Water Act (CWA)

What is the primary federal statute regulating protection of the nations waters? -
ANSWERClean Water Act

The Clean Water Act aims to... - ANSWERprevent and reduce pollution & restore
and maintain the chemical, physical, and biological integrity of our nations waters

list of waterbodies that unable to meet water quality standards - ANSWER303(d) list

What should be the first consideration when going on site? - ANSWERsafety

An inspector should be aware that a site is ___________ and always
____________. - ANSWERdynamic, changing

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