Cpesc Exam And Practice Exam Newest 2026
Test Bank| (Certified Professional In Erosion And
Sediment Control) Exam Prep With Complete
Real Exam Questions And Correct Verified
Answers/ Already Graded A+ (Most Recent!!)
Question 1: What is the process called in which soil particles are
detached and transported by wind or water?
A. Sedimentation
B. Erosion
C. Deposition
D. Weathering
Correct Answer: B
Rationale: Erosion is specifically defined as the process by which soil
particles are detached and transported by agents such as wind or water.
Sedimentation is the deposition of eroded material. Weathering is the
breakdown of rock and soil in place.
Question 2: What term describes eroded material that is suspended in
wind or water?
A. Sediment
B. Silt
C. Clay
D. Gravel
Correct Answer: A
,Rationale: Sediment is the term for eroded material that is suspended in
wind or water. It can consist of various particle sizes, including silt, clay,
and sand.
Question 3: What is the deposition of eroded material called?
A. Erosion
B. Sedimentation
C. Abrasion
D. Attrition
Correct Answer: B
Rationale: Sedimentation is the process of deposition of eroded
material. It occurs when the transport agent (wind or water) loses
energy and can no longer carry the sediment.
Question 4: Which of the following bears the impact of both quantity
and quality degradation from erosion?
A. Upstream slopes
B. Receiving waters
C. Construction sites
D. Agricultural fields
Correct Answer: B
Rationale: Receiving waters (such as streams, rivers, and lakes) are the
ultimate recipients of eroded sediment and associated pollutants. They
suffer from both quantity issues (e.g., filling of channels) and quality
degradation (e.g., turbidity, nutrient loading).
,Question 5: Raindrop impact energy is sufficient to dislodge surface
sediment. What is this type of erosion called?
A. Sheet erosion
B. Rill erosion
C. Splash erosion
D. Gully erosion
Correct Answer: C
Rationale: Splash erosion is the initial stage of erosion caused by the
impact of raindrops on the soil surface. The energy of the raindrop
dislodges soil particles and can launch them into the air.
Question 6: Which type of erosion involves rain splash detaching soil
particles and removing them by shallow sheets of water flowing down a
slope?
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. Channel erosion
Correct Answer: B
Rationale: Sheet erosion occurs when rain splash detaches soil particles
and a thin, uniform layer of water (sheet flow) carries them downslope.
It is often difficult to see because the surface appears relatively uniform.
, Question 7: As flow concentrates, small channels begin to form in the
soil surface. What is this type of erosion called?
A. Sheet erosion
B. Rill erosion
C. Gully erosion
D. Splash erosion
Correct Answer: B
Rationale: Rill erosion is characterized by the formation of small,
concentrated flow paths called rills. These are narrow and shallow but
can be easily seen and are a precursor to gully erosion.
Question 8: When runoff cuts rills deeper and wider, or several rills join
to form a large channel, what type of erosion is this?
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. Channel erosion
Correct Answer: C
Rationale: Gully erosion is an advanced stage of rill erosion where the
channels become deep and wide enough that they cannot be removed
by normal tillage operations. Gullies are significant conduits for
sediment.
Test Bank| (Certified Professional In Erosion And
Sediment Control) Exam Prep With Complete
Real Exam Questions And Correct Verified
Answers/ Already Graded A+ (Most Recent!!)
Question 1: What is the process called in which soil particles are
detached and transported by wind or water?
A. Sedimentation
B. Erosion
C. Deposition
D. Weathering
Correct Answer: B
Rationale: Erosion is specifically defined as the process by which soil
particles are detached and transported by agents such as wind or water.
Sedimentation is the deposition of eroded material. Weathering is the
breakdown of rock and soil in place.
Question 2: What term describes eroded material that is suspended in
wind or water?
A. Sediment
B. Silt
C. Clay
D. Gravel
Correct Answer: A
,Rationale: Sediment is the term for eroded material that is suspended in
wind or water. It can consist of various particle sizes, including silt, clay,
and sand.
Question 3: What is the deposition of eroded material called?
A. Erosion
B. Sedimentation
C. Abrasion
D. Attrition
Correct Answer: B
Rationale: Sedimentation is the process of deposition of eroded
material. It occurs when the transport agent (wind or water) loses
energy and can no longer carry the sediment.
Question 4: Which of the following bears the impact of both quantity
and quality degradation from erosion?
A. Upstream slopes
B. Receiving waters
C. Construction sites
D. Agricultural fields
Correct Answer: B
Rationale: Receiving waters (such as streams, rivers, and lakes) are the
ultimate recipients of eroded sediment and associated pollutants. They
suffer from both quantity issues (e.g., filling of channels) and quality
degradation (e.g., turbidity, nutrient loading).
,Question 5: Raindrop impact energy is sufficient to dislodge surface
sediment. What is this type of erosion called?
A. Sheet erosion
B. Rill erosion
C. Splash erosion
D. Gully erosion
Correct Answer: C
Rationale: Splash erosion is the initial stage of erosion caused by the
impact of raindrops on the soil surface. The energy of the raindrop
dislodges soil particles and can launch them into the air.
Question 6: Which type of erosion involves rain splash detaching soil
particles and removing them by shallow sheets of water flowing down a
slope?
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. Channel erosion
Correct Answer: B
Rationale: Sheet erosion occurs when rain splash detaches soil particles
and a thin, uniform layer of water (sheet flow) carries them downslope.
It is often difficult to see because the surface appears relatively uniform.
, Question 7: As flow concentrates, small channels begin to form in the
soil surface. What is this type of erosion called?
A. Sheet erosion
B. Rill erosion
C. Gully erosion
D. Splash erosion
Correct Answer: B
Rationale: Rill erosion is characterized by the formation of small,
concentrated flow paths called rills. These are narrow and shallow but
can be easily seen and are a precursor to gully erosion.
Question 8: When runoff cuts rills deeper and wider, or several rills join
to form a large channel, what type of erosion is this?
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. Channel erosion
Correct Answer: C
Rationale: Gully erosion is an advanced stage of rill erosion where the
channels become deep and wide enough that they cannot be removed
by normal tillage operations. Gullies are significant conduits for
sediment.
