2
Certified Storm Water Operator Exam with precise detailed || || || || || || || ||
answers
Erosion is the process where soil particles are ______________ or ____________ and put in
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motion. (Unit 1) - ✔✔Dislodged; detached
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Sedimentation is the process whereby detached particles are ___________________ || || || || || || || || ||
elsewhere. (Unit 1) - ✔✔Deposited || || || ||
Sediment is solid ________________ or _______________ particulate matter that has been
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removed from its site of origin by ___________, _____________, or ______________ and
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deposited elsewhere. (Unit 1) - ✔✔Mineral; organic; water; wind; gravity
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Accelerated erosion is a speeding up of erosion due to ___________activity. (Unit 1) -
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✔✔Human
Major erosive forces are water and ___________. (Unit 1) - ✔✔Wind
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In some areas, more soil is lost from ______________ erosion than from water erosion.
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(Unit 1) - ✔✔Wind
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The effects of _____________ erosion are usually more visible than _____________ erosion.
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(Unit 1) - ✔✔Water; wind
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The three categories of overland erosion are: (Unit 1) - ✔✔Sheet, rill, gully
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_____________ erosion is the removal of a uniform layer of soil from rain-splash and storm
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water runoff. (Unit 1) - ✔✔Sheet
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,2
The ____________ of erosion defines the difference between rills and gullies. (Unit 1) -
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✔✔Depth
The physical factors affecting erosion are: (Unit 1) - ✔✔Climate, vegetative cover, soils,
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slope.
Erosion and sedimentation may cause:
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-Loss of ___________ _______________
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-__________________ damage to roads, buildings or bridges. || || || || || ||
-___________________, resulting in reduction of fish _______________ _________, || || || || || || || ||
reduced _____________ or _______________ _______________ capacity, and
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______________ costs to maintain ______________. || || || ||
-_________________ loading. (Unit 1) - ✔✔- fertile topsoil || || || || || || ||
- Structural
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- Deposition; spawning areas; channel; storm drain; increased; turbidity
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- Pollutant
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The climatic factors that strongly influence erosion and runoff are _______________
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amount, _______________, and ________________. (Unit 1) - ✔✔Rainfall, frequency,
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intensity.
Soil properties influencing erodibility include: (Unit 1) - ✔✔Texture, structure, cohesion,
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natural drainage class
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Texture refers to the ___________ or _____________________ of ____________ of soil
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particles in soil. (Unit 1) - ✔✔Size; combination of sizes
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, 2
Structure refers to the degree to which individual soil particles _____________ to each
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other. (Unit 1) - ✔✔Adhere
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Slope _________________, _____________________, and ___________________ affect
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erodibility. (Unit 1) - ✔✔Steepness, length, and roughness.
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Sediment deposition occurs when soil-laden wind or water ____________ enough to allow
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the soil particles to settle out. (Unit 1) - ✔✔Slows
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The ____________, _______________, and ________________ of the transported particles
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influence the rate at which they settle out. (Unit 1) - ✔✔Size, shape, and density.
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Smaller, lighter particles such as __________________ particles are easily transported and
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are _____________________ to settle out. (Unit 1) - ✔✔Clay-sized; slow/difficult
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The Five Principles of Erosion and Sedimentation Control are:
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-____________ the development to fit the natural site conditions || || || || || || || ||
-Expose the ________________ practical area for the _________________ possible time
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-Apply __________ _________________ prevention practices as first life of defense
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-Apply ___________________ control practices to prevent off-site sedimentation
|| || || || || || ||
-Implement a thorough __________________, ___________________, and
|| || || || || ||
_____________________ program. (Unit 1) - ✔✔- Plan || || || || || ||
- Smallest; shortest
|| ||
- Soil erosion
|| ||
- Sediment
||
- Inspection, maintenance, and follow-up
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Certified Storm Water Operator Exam with precise detailed || || || || || || || ||
answers
Erosion is the process where soil particles are ______________ or ____________ and put in
|| || || || || || || || || || || || || ||
motion. (Unit 1) - ✔✔Dislodged; detached
|| || || || ||
Sedimentation is the process whereby detached particles are ___________________ || || || || || || || || ||
elsewhere. (Unit 1) - ✔✔Deposited || || || ||
Sediment is solid ________________ or _______________ particulate matter that has been
|| || || || || || || || || || ||
removed from its site of origin by ___________, _____________, or ______________ and
|| || || || || || || || || || || ||
deposited elsewhere. (Unit 1) - ✔✔Mineral; organic; water; wind; gravity
|| || || || || || || || ||
Accelerated erosion is a speeding up of erosion due to ___________activity. (Unit 1) -
|| || || || || || || || || || || || || ||
✔✔Human
Major erosive forces are water and ___________. (Unit 1) - ✔✔Wind
|| || || || || || || || || ||
In some areas, more soil is lost from ______________ erosion than from water erosion.
|| || || || || || || || || || || || || ||
(Unit 1) - ✔✔Wind
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The effects of _____________ erosion are usually more visible than _____________ erosion.
|| || || || || || || || || || ||
(Unit 1) - ✔✔Water; wind
|| || || || ||
The three categories of overland erosion are: (Unit 1) - ✔✔Sheet, rill, gully
|| || || || || || || || || || || ||
_____________ erosion is the removal of a uniform layer of soil from rain-splash and storm
|| || || || || || || || || || || || || || ||
water runoff. (Unit 1) - ✔✔Sheet
|| || || || ||
,2
The ____________ of erosion defines the difference between rills and gullies. (Unit 1) -
|| || || || || || || || || || || || || ||
✔✔Depth
The physical factors affecting erosion are: (Unit 1) - ✔✔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) - ✔✔- 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) - ✔✔Rainfall, frequency,
|| || || || || || || || ||
intensity.
Soil properties influencing erodibility include: (Unit 1) - ✔✔Texture, structure, cohesion,
|| || || || || || || || || || ||
natural drainage class
|| ||
Texture refers to the ___________ or _____________________ of ____________ of soil
|| || || || || || || || || || ||
particles in soil. (Unit 1) - ✔✔Size; combination of sizes
|| || || || || || || || ||
, 2
Structure refers to the degree to which individual soil particles _____________ to each
|| || || || || || || || || || || || ||
other. (Unit 1) - ✔✔Adhere
|| || || ||
Slope _________________, _____________________, and ___________________ affect
|| || || || || ||
erodibility. (Unit 1) - ✔✔Steepness, length, and roughness.
|| || || || || || ||
Sediment deposition occurs when soil-laden wind or water ____________ enough to allow
|| || || || || || || || || || || ||
the soil particles to settle out. (Unit 1) - ✔✔Slows
|| || || || || || || || ||
The ____________, _______________, and ________________ of the transported particles
|| || || || || || || || ||
influence the rate at which they settle out. (Unit 1) - ✔✔Size, shape, and density.
|| || || || || || || || || || || || || ||
Smaller, lighter particles such as __________________ particles are easily transported and
|| || || || || || || || || || ||
are _____________________ to settle out. (Unit 1) - ✔✔Clay-sized; slow/difficult
|| || || || || || || || ||
The Five Principles of Erosion and Sedimentation Control are:
|| || || || || || || ||
-____________ the development to fit the natural site conditions || || || || || || || ||
-Expose the ________________ practical area for the _________________ possible time
|| || || || || || || || ||
-Apply __________ _________________ prevention practices as first life of defense
|| || || || || || || || ||
-Apply ___________________ control practices to prevent off-site sedimentation
|| || || || || || ||
-Implement a thorough __________________, ___________________, and
|| || || || || ||
_____________________ program. (Unit 1) - ✔✔- Plan || || || || || ||
- Smallest; shortest
|| ||
- Soil erosion
|| ||
- Sediment
||
- Inspection, maintenance, and follow-up
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