Certified Storm Water Operator
UPDATED Actual Exam Questions and
CORRECT Answers
Erosion is the process where soil particles are ______________ or ____________ and put in
motion. (Unit 1) - CORRECT ANSWER- ✔✔Dislodged; detached
Sedimentation is the process whereby detached particles are ___________________
elsewhere. (Unit 1) - CORRECT ANSWER- ✔✔Deposited
Sediment is solid ________________ or _______________ particulate matter that has been
removed from its site of origin by ___________, _____________, or ______________ and
deposited elsewhere. (Unit 1) - CORRECT ANSWER- ✔✔Mineral; organic; water; wind;
gravity
Accelerated erosion is a speeding up of erosion due to ___________activity. (Unit 1) -
CORRECT ANSWER- ✔✔Human
Major erosive forces are water and ___________. (Unit 1) - CORRECT ANSWER- ✔✔Wind
In some areas, more soil is lost from ______________ erosion than from water erosion. (Unit
1) - CORRECT ANSWER- ✔✔Wind
The effects of _____________ erosion are usually more visible than _____________ erosion.
(Unit 1) - CORRECT ANSWER- ✔✔Water; wind
The three categories of overland erosion are: (Unit 1) - CORRECT ANSWER- ✔✔Sheet, rill,
gully
_____________ erosion is the removal of a uniform layer of soil from rain-splash and storm
water runoff. (Unit 1) - CORRECT ANSWER- ✔✔Sheet
, The ____________ of erosion defines the difference between rills and gullies. (Unit 1) -
CORRECT ANSWER- ✔✔Depth
The physical factors affecting erosion are: (Unit 1) - CORRECT ANSWER- ✔✔Climate,
vegetative cover, soils, slope.
Erosion and sedimentation may cause:
-Loss of ___________ _______________
-__________________ damage to roads, buildings or bridges.
-___________________, resulting in reduction of fish _______________ _________,
reduced _____________ or _______________ _______________ capacity, and
______________ costs to maintain ______________.
-_________________ loading. (Unit 1) - CORRECT ANSWER- ✔✔- fertile topsoil
- Structural
- Deposition; spawning areas; channel; storm drain; increased; turbidity
- Pollutant
The climatic factors that strongly influence erosion and runoff are _______________ amount,
_______________, and ________________. (Unit 1) - CORRECT ANSWER- ✔✔Rainfall,
frequency, intensity.
Soil properties influencing erodibility include: (Unit 1) - CORRECT ANSWER- ✔✔Texture,
structure, cohesion, natural drainage class
Texture refers to the ___________ or _____________________ of ____________ of soil
particles in soil. (Unit 1) - CORRECT ANSWER- ✔✔Size; combination of sizes
Structure refers to the degree to which individual soil particles _____________ to each other.
(Unit 1) - CORRECT ANSWER- ✔✔Adhere
Slope _________________, _____________________, and ___________________ affect
erodibility. (Unit 1) - CORRECT ANSWER- ✔✔Steepness, length, and roughness.
UPDATED Actual Exam Questions and
CORRECT Answers
Erosion is the process where soil particles are ______________ or ____________ and put in
motion. (Unit 1) - CORRECT ANSWER- ✔✔Dislodged; detached
Sedimentation is the process whereby detached particles are ___________________
elsewhere. (Unit 1) - CORRECT ANSWER- ✔✔Deposited
Sediment is solid ________________ or _______________ particulate matter that has been
removed from its site of origin by ___________, _____________, or ______________ and
deposited elsewhere. (Unit 1) - CORRECT ANSWER- ✔✔Mineral; organic; water; wind;
gravity
Accelerated erosion is a speeding up of erosion due to ___________activity. (Unit 1) -
CORRECT ANSWER- ✔✔Human
Major erosive forces are water and ___________. (Unit 1) - CORRECT ANSWER- ✔✔Wind
In some areas, more soil is lost from ______________ erosion than from water erosion. (Unit
1) - CORRECT ANSWER- ✔✔Wind
The effects of _____________ erosion are usually more visible than _____________ erosion.
(Unit 1) - CORRECT ANSWER- ✔✔Water; wind
The three categories of overland erosion are: (Unit 1) - CORRECT ANSWER- ✔✔Sheet, rill,
gully
_____________ erosion is the removal of a uniform layer of soil from rain-splash and storm
water runoff. (Unit 1) - CORRECT ANSWER- ✔✔Sheet
, The ____________ of erosion defines the difference between rills and gullies. (Unit 1) -
CORRECT ANSWER- ✔✔Depth
The physical factors affecting erosion are: (Unit 1) - CORRECT ANSWER- ✔✔Climate,
vegetative cover, soils, slope.
Erosion and sedimentation may cause:
-Loss of ___________ _______________
-__________________ damage to roads, buildings or bridges.
-___________________, resulting in reduction of fish _______________ _________,
reduced _____________ or _______________ _______________ capacity, and
______________ costs to maintain ______________.
-_________________ loading. (Unit 1) - CORRECT ANSWER- ✔✔- fertile topsoil
- Structural
- Deposition; spawning areas; channel; storm drain; increased; turbidity
- Pollutant
The climatic factors that strongly influence erosion and runoff are _______________ amount,
_______________, and ________________. (Unit 1) - CORRECT ANSWER- ✔✔Rainfall,
frequency, intensity.
Soil properties influencing erodibility include: (Unit 1) - CORRECT ANSWER- ✔✔Texture,
structure, cohesion, natural drainage class
Texture refers to the ___________ or _____________________ of ____________ of soil
particles in soil. (Unit 1) - CORRECT ANSWER- ✔✔Size; combination of sizes
Structure refers to the degree to which individual soil particles _____________ to each other.
(Unit 1) - CORRECT ANSWER- ✔✔Adhere
Slope _________________, _____________________, and ___________________ affect
erodibility. (Unit 1) - CORRECT ANSWER- ✔✔Steepness, length, and roughness.
