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