CEPSCI Exam Study Materials Questions with
CORRECT Answers (Grade A+)
Question 1:
Sediment control structures such as silt fence most commonly trap sediment by the following
means: a. Slowing water to allow sediment particles to settle out. b. Serving as a filter that
traps sediment particles in the small openings. c. Preventing on-site erosion. d. Serving as
obstacles for vehicular traffic to slow movement.
Answer:
a. Slowing water to allow sediment particles to settle out.
Question 2:
PAM is a chemical that is added to turbulent runoff primarily to achieve the following: a.
Change the turbulent flow to laminar flow. b. Cause flocculation that reduces sediment
transport. c. Make the water potable immediately. d. Provide binding of seed to mulch so that
vegetation can be established.
Answer:
b. Cause flocculation that reduces sediment transport.
Question 3:
Energy dissipation is an important function for each of the following BMPs except: a. ECBs b.
Mulches c. Riprap d. Construction entrance
Answer:
d. Construction entrance
Question 4:
c. Low (< 0.5 cfs) d. Frequent Filter fabric inlet protection is the most appropriate BMP of
choice in situations where the flow rate is: a. High (> 0.5 cfs)
Answer:
c. Low (< 0.5 cfs)
, Question 5:
Which of the following would not file a Notice of Intent (NOI) prior to any land disturbing
activities? a. Secondary Permittee b. Utility Provider c. Compliance Inspector d. Primary
Permittee
Answer:
c. Compliance Inspector
Diagram:
Question 6:
Final site stabilization is achieved when percent vegetative cover on all disturbed areas is at
least the following: a. 65% b. 70% c. 80% d. 90%
Answer:
b. 70%
Question 7:
The sediment control structure in the center right side of the photo above is a: a. Rock-filter
fabric inlet b. Rock construction entrance c. Rock ditch check d. Rock spillway for a sediment
trap
Answer:
d. Rock spillway for a sediment trap
CORRECT Answers (Grade A+)
Question 1:
Sediment control structures such as silt fence most commonly trap sediment by the following
means: a. Slowing water to allow sediment particles to settle out. b. Serving as a filter that
traps sediment particles in the small openings. c. Preventing on-site erosion. d. Serving as
obstacles for vehicular traffic to slow movement.
Answer:
a. Slowing water to allow sediment particles to settle out.
Question 2:
PAM is a chemical that is added to turbulent runoff primarily to achieve the following: a.
Change the turbulent flow to laminar flow. b. Cause flocculation that reduces sediment
transport. c. Make the water potable immediately. d. Provide binding of seed to mulch so that
vegetation can be established.
Answer:
b. Cause flocculation that reduces sediment transport.
Question 3:
Energy dissipation is an important function for each of the following BMPs except: a. ECBs b.
Mulches c. Riprap d. Construction entrance
Answer:
d. Construction entrance
Question 4:
c. Low (< 0.5 cfs) d. Frequent Filter fabric inlet protection is the most appropriate BMP of
choice in situations where the flow rate is: a. High (> 0.5 cfs)
Answer:
c. Low (< 0.5 cfs)
, Question 5:
Which of the following would not file a Notice of Intent (NOI) prior to any land disturbing
activities? a. Secondary Permittee b. Utility Provider c. Compliance Inspector d. Primary
Permittee
Answer:
c. Compliance Inspector
Diagram:
Question 6:
Final site stabilization is achieved when percent vegetative cover on all disturbed areas is at
least the following: a. 65% b. 70% c. 80% d. 90%
Answer:
b. 70%
Question 7:
The sediment control structure in the center right side of the photo above is a: a. Rock-filter
fabric inlet b. Rock construction entrance c. Rock ditch check d. Rock spillway for a sediment
trap
Answer:
d. Rock spillway for a sediment trap
