Certified Storm Water Operator Exam
Questions And 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.
Sediment deposition occurs when soil-laden wind or water
____________ enough to allow the soil particles to settle out. (Unit 1)
- (correct answer) -Slows
The ____________, _______________, and ________________ of the
transported particles influence the rate at which they settle out.
(Unit 1) - (correct answer) -Size, shape, and density.
Questions And 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.
Sediment deposition occurs when soil-laden wind or water
____________ enough to allow the soil particles to settle out. (Unit 1)
- (correct answer) -Slows
The ____________, _______________, and ________________ of the
transported particles influence the rate at which they settle out.
(Unit 1) - (correct answer) -Size, shape, and density.
