Certified Storm Water Operator Exam
question with 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
-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
-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
-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
-The most effective way to prevent erosion is keep the soil covered with
__________________. (Unit 1) - -Vegetation
-It is much more effective to prevent ____________ than to control the
____________________ generated from erosion. (Unit 1) - -Erosion; sediment
-When developing a runoff and SESC strategy, remember that _____________ and
________ _______________ control is more effective and cost efficient than
_______________ control. (Unit 2) - -runoff; soil erosion; sediment
-Without proper planning, a construction generally results in an _______________ in
runoff. (Unit 2) - -Increase.
-____________________ controls rarely reduce ________________ or ___________________.
(Unit 2) - -Sediment; runoff; erosion.
question with 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
-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
-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
-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
-The most effective way to prevent erosion is keep the soil covered with
__________________. (Unit 1) - -Vegetation
-It is much more effective to prevent ____________ than to control the
____________________ generated from erosion. (Unit 1) - -Erosion; sediment
-When developing a runoff and SESC strategy, remember that _____________ and
________ _______________ control is more effective and cost efficient than
_______________ control. (Unit 2) - -runoff; soil erosion; sediment
-Without proper planning, a construction generally results in an _______________ in
runoff. (Unit 2) - -Increase.
-____________________ controls rarely reduce ________________ or ___________________.
(Unit 2) - -Sediment; runoff; erosion.